Modern problems of science and education. Adenomyosis - a latent and dangerous disease Adenomyosis scientific articles

Content:

What is adenomyosis?

Adenomyosis is a condition in which, in the thickness of the muscular walls of the uterus (myometrium), foci of tissues similar to the lining of the uterus (endometrium) are found.

The reasons why the tissues of the lining of the uterus begin to grow inside the muscular walls of the uterus are not completely established.

Signs characteristic of foci of adenomyosis in the walls of the uterine body are detected during ultrasound in almost 40% of women of reproductive age. In 60% of women, the presence of foci of adenomyosis in the tissues of the uterus is diagnosed after removal of the uterus. Based on this, some experts suggest that such growth of the endometrium may be a normal phenomenon, and that adenomyosis may only be an ultrasound phenomenon, and not an independent disease.

Image (you need to show in the figure and the normal endometrium)

In many women with adenomyosis, small foci of the endometrium are scattered throughout the muscle tissue of the uterine body (diffuse adenomyosis). The presence of 1-3 small foci is designated as grade I adenomyosis, the presence of 4-10 foci is designated as grade II adenomyosis, the presence of more than 10 foci is designated as grade III adenomyosis.

Less commonly, adenomyosis is manifested by the presence of several large foci in the muscular walls of the uterus (focal or nodular adenomyosis). In some women, bleeding occurs in the foci of adenomyosis, and small cavities are formed in the walls of the uterus filled with blood and destroyed endometrium (cystic adenomyosis).

What symptoms can be associated with the presence of adenomyosis and how do they develop over time?

The growth of endometrial tissue inside the uterine cavity and in foci of adenomyosis depends on the female sex hormones estrogen and progesterone.

When the level of these hormones rises (shortly after the onset of the next menstruation), endometrial tissue and foci of adenomyosis grow rapidly.

When the level of sex hormones decreases (shortly before the start of the next menstruation), endometrial tissue and foci of adenomyosis are destroyed.

The destruction of endometrial tissue inside the uterine cavity is manifested by menstrual bleeding.

Cyclic destruction and proliferation of foci of adenomyosis, and the associated inflammatory response, lead to a thickening of the muscle tissue of the uterus.

Many women who show signs of adenomyosis during an ultrasound scan do not have any symptoms that could be associated with this condition.

In some women, the presence of foci of adenomyosis is associated with symptoms such as:

1. Excessively heavy or prolonged vaginal bleeding:

  • menstruation that lasts more than 7 days;
  • an increase in the amount of blood lost during menstruation;
  • irregular spotting between two periods;
  • spotting from the vagina after intercourse.

2. Severe pain during menstruation, pain during intercourse, chronic pain in the pelvic area.

3. Difficulties with conceiving a child.

In women of reproductive age, the symptoms associated with adenomyosis most often either remain unchanged or worsen.

After the onset of menopause (), in most women, profuse or irregular bleeding associated with adenomyosis stops.

For many women, several months or years after menopause, the pain associated with adenomyosis may subside or become less severe.

Treatment options for relieving or eliminating heavy bleeding, abdominal pain and / or infertility in women with adenomyosis

The problem of determining the appropriateness of treatment in women with signs of adenomyosis is as follows:

  • Currently, there is no consensus in the medical literature regarding the criteria for the diagnosis of adenomyosis. According to a number of authors, the presence of foci of adenomyosis may be a variant of the normal structure of the uterus.
  • The symptoms listed above are difficult to associate directly with adenomyosis, since, in addition to adenomyosis, women of reproductive age often have other conditions / diseases (including uterine fibroids, endometriosis, endometrial polyps, endometrial hyperplasia, ovulation disorders, etc.), which are also can cause menstrual irregularities and chronic pain.
  • In many cases, during ultrasound, it is impossible to distinguish foci of adenomyosis from fibroids.
  • The exclusion of the connection of the listed symptoms with endometriosis is possible only after the operation.
  • Currently, the only way to permanently eliminate foci of adenomyosis is an operation to completely remove the uterus. For many women of reproductive age, such treatment is unacceptable and symptomatic remedies remain the only treatment option.

Due to the above diagnostic difficulties, the effectiveness of various treatment methods for adenomyosis has been studied very limitedly, and standardized treatment algorithms have not been developed. The bulk of the evidence for the treatment of adenomyosis comes from low-quality studies that have followed small groups of women for short periods of time.

Based on the data that are already available in this regard, the following conclusions can be drawn regarding the advisability of continuing the examination and treatment in women with ultrasound signs of adenomyosis:

1. If a woman has no symptoms, it is useless to continue any examination or treatment for adenomyosis. Currently, there is no treatment that can eliminate the foci of adenomyosis and would be of any benefit to women who do not have any symptoms.

2. If a woman is planning a pregnancy in the near future or if she is already trying to conceive a child and is experiencing difficulties with this (the couple did not manage to conceive a child within 6 months of attempts), it is recommended that she undergo a full examination to diagnose other problems that can provoke infertility. Detailed recommendations on this matter are presented in the article Infertility. Scientifically based guidance for couples.

The negative effect of adenomyosis on the likelihood of conception has not been conclusively established, however, if the only disorder that will be found in a couple is adenomyosis in a woman, it may be advisable for a couple to choose IVF using a long protocol of GnRH agonists. Several small studies have found that this tactic can increase the likelihood of conception.

3. If a woman is planning a pregnancy in the future or no longer planning a pregnancy, and she is worried about too heavy / prolonged menstruation, irregular bleeding from the vagina or pain, she is recommended to undergo an examination and trial symptomatic treatment according to the algorithm presented in the main guide to this problem. informed guidance for women on vaginal bleeding and menstruation.

If symptomatic treatment does not help to solve the problem, depending on the plans to have a child in the future, a woman can take advantage of several options for surgical treatment (removal of foci of adenomyosis, endometrial ablation, uterine artery embolization, FUS ablation, removal of the uterus) described in the article Uterine myoma. Evidence-Based Guidance for Women.

In one study, after endometrial ablation, heavy menstrual bleeding stopped in 28 out of 34 women treated.

In another study, endometrial resection significantly improved uterine bleeding in 12 of 15 women, but pain relief was observed in only 3 of 8 women.

The effectiveness of uterine artery embolization in adenomyosis has been studied in several studies. One study followed 54 women for 3 years (or more) after embolization.

Adenomyosis of the uterus has become one of the commercial diagnoses. Almost every second woman is given it, especially one ultrasound scan. Worst of all, treatment is prescribed "from the end," that is, either surgery or the use of gonadotropin-releasing hormone agonists, which induce artificial menopause. For young women planning a pregnancy, this approach is simply not acceptable.

Adenomyosis was previously considered a manifestation of endometriosis, which develops within the walls of the uterus. However, in 1991, after a thorough analysis of numerous data, a new classification of endometrioid tissue damage to the walls of the uterus was proposed. In most cases, uterine adenomyosis is not diagnosed, therefore, the frequency of uterine lesions is judged most often after examining surgically removed uterus for various reasons. According to some data, adenomyosis was found in 9-30% of such cases, according to others, up to 70% of women who had their uterus removed had adenomyosis. The average age of women who develop adenomyosis is 30 years and older, and usually these are women who have given birth. Most often, foci of adenomyosis are found along the posterior wall of the uterus (this wall has a rich blood supply).

The main signs of adenomyosis are painful heavy menstruation, sometimes chronic pain in the small pelvis. Often, such heavy periods do not respond to treatment with hormonal therapy or removal of the endometrium by scraping. The evidence that adenomyosis can be the cause of infertility is very contradictory, however, maturation and detachment of the endometrium can be impaired, which in turn can prevent proper implantation of the ovum.

Adenomyosis can be diagnosed by ultrasound using a vaginal probe, or MRI. Hysterosalpingography and transabdominal ultrasound are often not informative in making this diagnosis. The uterus can be slightly enlarged, but not changed in contours. However, it is practically impossible to differentiate foci of adenomyosis from small fibromatous foci using ultrasound. Dilated endometrial glands, especially before menstruation, are also mistaken for foci of adenomyosis by many doctors.

Until recently, the only treatment for adenomyosis was the removal of the uterus, which was associated with increased mortality in such patients.
Modern medicine makes it possible to treat adenomyosis with synthetic estrogen drugs, gonadotropin-releasing hormone agonists, and a number of other drugs. Uterine artery embolization is a new surgical treatment that preserves the uterus and reduces the amount of blood lost during menstruation.

The topic of endometriosis-adenomyosis will be discussed in more detail in the book "Encyclopedia of Women's Health".

Given the increasing frequency of the disease, genital endometriosis is becoming one of the leading causes of infertility M.M. Damirov, 2004. Adenomyosis is detected in 40-45% of women with unexplained primary infertility and in 50-58% with secondary infertility. V.P. Baskakov et al., 2002.

The purpose of our work was the use of Roncoleukin (OOO "BIOTECH" St. Petersburg) in the complex therapy of patients with adenomyosis suffering from infertility.

Examination and treatment of 88 patients with adenomyosis of reproductive age were carried out. The diagnosis was established during a complex clinical laboratory examination, using additional methods (hysteroscopy, separate curettage of the uterus, ultrasound examination according to the transvaginal technique in the dynamics of the menstrual cycle).

All patients were divided into two groups: Group I (44 patients) - patients with adenomyosis who received traditional complex hormonal therapy,

II (main) group (44 patients) - patients with adenomyosis in addition to traditional treatment received Roncoleukin.

All patients underwent hormonal therapy with non-mestran (5 mg weekly with a frequency of 2 times a week) in a continuous mode for 6 months. In addition, patients of group II after hysteroscopy with separate curettage of the uterus on days 2, 3, 6, 9 and 11 were prescribed Roncoleukin according to the following procedure: 0.25 mg of Roncoleukin was diluted in 2 ml of 0.9% NaCL solution, the volume was brought to 50 ml with the addition of 0 , 5 ml of a 10% solution of human albumin and, through a polypropylene catheter inserted into the uterine cavity to the level of the bottom for 6 hours, irrigated it with free flow of fluid through the cervical canal. At the same time, 0.5 mg of Roncoleukin, dissolved in 2 ml of water for injection, was injected subcutaneously, 0.5 ml at four points. Dynamic observation of patients with ultrasound control was carried out during the course of therapy and 12 months after its completion.

A month after the end of the course of hormonal therapy - after the restoration of menstrual function, pregnancy was planned by 16 patients of group I and 18 patients of group II suffering from infertility, the rest of the women used a barrier method of contraception during the entire observation period.

In the first 3 months after the end of the main course of treatment, pregnancy occurred in 10 women of group II and only in 2 - I group, over the next three months, pregnancy occurred in 7 patients of group II and 4 - I group. Over the next 6 months of follow-up, in one of the remaining patients of group II, pregnancy did not occur, and in group I, it occurred in 2 women. As a result, by the end of the year of observation after the end of treatment, 8 patients of the first group and 1 patient of the second group presented complaints of infertility. As a result, 17 patients from 18 (94.4%) of the main (second) group realized their desire to become pregnant and only 8 patients from 16 (50%) (p0.01) who received traditional therapy.

Thus, the combined systemic and local (intrauterine) administration of a highly active immunotropic drug of recombinant IL-2, Roncoleukin, opens up new perspectives in the complex therapy of adenomyosis and makes it possible to improve the results of treatment, one of the indicators of which is the restoration of reproductive function.

INTRODUCTION

CHAPTER 1 LITERATURE REVIEW

1.1 Epidemiology of endometriosis

1.2 Theories of the development of adenomyosis

1.3 The role of estrogen metabolites in the mechanisms of human hormone-dependent tumors and endometriosis

1.4 Genetic aspects of adenomyosis

1.4.1 Polymorphism of estrogen metabolism genes in women

with adenomyosis

1.4.2 Expression of genes for steroid receptors ERA and EY / I, PgR, AY

and CUR 19 for adenomyosis

1.5 Clinical and anamnestic features of patients with adenomyosis

CHAPTER 2 CLINICAL STUDY MATERIAL AND METHODS

2.1 Study design

2.2 Brief description of the research object

2.3 Methods and volumes of clinical, instrumental and laboratory research

2.3.1 Methods of clinical examination

2.3.2 Instrumental research methods

2.3.3 Laboratory research methods

2.3.4 Statistical processing of data

CHAPTER 3 FREQUENCY OF ADENOMYOSIS, CLINICAL AND ANAMNESTIC FEATURES OF PATIENTS WITH ADENOMYOSIS

3.1 Frequency of adenomyosis in gynecological patients

3.2 Clinical and anamnestic features of patients with adenomyosis

CHAPTER 4 MOLECULAR-GENETIC CHARACTERISTICS OF PATIENTS WITH ADENOMIOSIS

4.1 Analysis of allelic variants of cytochrome P450 genes: CYP 1A1, CYP 1A2, CYP 19, BIT 1A1 in women with adenomyosis

4.2 Expression of genes for steroid receptors ERA, ER.fi, PgR, AN and CYP 19 (aromatase) in endometriosis

CHAPTER 5 RISK FACTORS AND A COMPREHENSIVE SYSTEM FOR FORECASTING THE DEVELOPMENT OF ADENOMYOSIS

5.1 Risk factors for adenomyosis

5.2 Computer program for predicting adenomyosis

5.3 Comparative assessment of the informativeness of risk factors, computer programs and molecular genetic markers in forecasting

development of adenomyosis

LIST OF ABBREVIATIONS

BIBLIOGRAPHY

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Dissertation introduction (part of the abstract) on the topic "Adenomyosis: Prediction, Clinical-Anamnestic and Molecular-Genetic Features"

INTRODUCTION

Relevance. Endometriosis continues to be one of the urgent problems of modern gynecology. More than a century ago, the first reports of endometriosis appeared, but some aspects of the etiology, pathogenesis, clinical, morphofunctional, immunological, biochemical, genetic variants of this disease continue to attract scientific researchers. Many questions have been studied, but the urgency of this problem is not decreasing.

According to world statistics, genital endometriosis is diagnosed in 7-50% of women of childbearing age.

The most common localization of genital endometriosis is the lesion of the uterus - adenomyosis, the specific frequency of which reaches 70 -80%. In 55 - 85% of patients, internal endometriosis is combined with uterine fibroids, about half of them suffer from infertility. The rapid development of medical technologies in recent decades has made it possible to improve the accuracy of the diagnosis of endometriosis, but it remains insufficient, especially in the case of the I-II degree of the disease prevalence.

Endometriosis is an estrogen-dependent, chronic disease characterized by the location of the endometrium outside its normal localization, with signs of inflammation, the presence of the phenomenon of peripheral and central sensitization. Endometriosis has many signs of a benign neoplastic process and the potential for malignant transformation.

More than ten theories of its origin have been proposed, but none of them can explain all the mystery of the forms and manifestations of this disease. All this makes it difficult to develop preventive measures and

early diagnosis, effective methods of treatment and prevention of severe complications of endometriosis.

According to modern concepts, endometriosis is an independent nosological unit (endometrioid disease) - a chronic condition with different localization of endometrioid foci, characterized by autonomous and invasive growth, changes in the molecular biological properties of cells of both ectopic and eutopic endometrium. In the modern literature, there are discussions about the validity of using this terminology in relation to endometriosis.

Heterotopies of internal genital endometriosis are considered as derivatives of the basal layer of the endometrium, and not functioning, as in the translocation theory of "true endometriosis". Recently, data began to appear on the commonality of endometriosis and adenomyosis, their origin, the uniformity of mechanisms that support the existence of heterotopies and their ability to progress.

In the pathogenesis of endometriosis, the genetic concept of origin is increasingly being studied, which is based on the presence of familial forms of the disease, a frequent combination with malformations of the urogenital tract and other organs, as well as features of the course of endometriosis (early onset, severe course, relapses, resistance to treatment) with hereditary forms of the disease. Verification of specific genetic markers will make it possible to identify a genetic predisposition to this disease, to carry out early diagnosis and prevention at the preclinical stage of the disease. All this makes it promising to study the molecular biological features of the eutopic and ectopic endometrium: the expression of estrogen and progesterone receptors, markers of proliferation, apoptosis, adhesion, angiogenesis, and cell invasion.

The degree of elaboration of the research topic

The following genes have been studied for the development of endometriosis: genes of the cytokinase system and inflammatory response: CCR2, CCR5, CTLA4, IFNG, IL4, IL6 and many others; detoxification: AhR, AhRR, ARNT, CYP17A1, CYP19A1, CYP1A1, CYP1B1, GSTM1, etc., apoptosis and angiogenesis; CDKN1H, HLA-A, HLA-B, HLA-C2, etc.

The genes of cytochrome P450: CYP1A1 (A2455G (Ile462Val)), CYP2E1 (C9896G), CYP19 (TTTA) and del (TST) - in endometriosis were studied only in single studies [Shved N.Yu., 2006, Montgomery et al, 2008], there are no works that would assess the prognostic significance of these polymorphisms.

Currently, a large number of studies have been carried out to determine risk factors for proliferative processes, however, there are no informative computer programs adapted to practical health care for predicting these diseases among the population of women of different age groups; the prognostic capabilities of genetic and hormonal research methods have not been sufficiently studied.

Thus, the study of the peculiarities of estrogen metabolism and their genetic determinants, a comparative assessment of the information content of various methods for predicting internal genital adenomyosis in women of different age groups will allow a more differentiated approach to the formation of risk groups for appropriate prevention.

The aim of the study is to develop a comprehensive system for predicting the development of adenomyosis based on the assessment of clinical and anamnestic data and the determination of molecular genetic markers.

Research objectives:

1. To determine the frequency of adenomyosis in gynecological patients who underwent hysterectomy, to analyze the clinical and anamnestic characteristics of women with adenomyosis.

2. To estimate the frequencies of alleles of variants of genes encoding enzymes of estrogen metabolism: CYP1A1, CYP1A2, CYP19, SULT1A1 in patients with adenomyosis and women without proliferative diseases of the uterus.

3. To assess the level of gene expression of estrogen, progesterone and androgen receptors: ERa, ERft, PgR, AR and CYP19 in the tissues of ectopic and eutopic endometrium in women with adenomyosis and in patients without proliferative diseases of the uterus.

4. Establish risk factors for the development of adenomyosis, develop and implement a computer program for predicting adenomyosis, based on the analysis of clinical and anamnestic data.

5. To assess the information content of a computer program and molecular genetic markers in predicting adenomyosis.

Scientific novelty

The frequency of morphologically verified adenomyosis in gynecological patients was established, which was 33.4%. It was revealed that adenomyosis was recorded in isolation only in 17.9%. Most often, its combination is noted with uterine leiomyoma and endometrial hyperplastic processes - in 40.4%, with uterine leiomyoma - in 31.4%, simple endometrial hyperplasia without atypia - in 10.4%.

The understanding of the pathogenesis of adenomyosis has been expanded. It was revealed that patients with histologically verified adenomyosis have certain features of estrogen metabolism polymorphism. Women with adenomyosis are characterized by the presence of a mutant allele C of the CYP1A1 gene and genotypes T / C and C / C, allele A of the CYP1A2 gene, genotypes A / A, C / A and C / C, allele T of the CYP19 gene and genotypes C / T and T / T and, on the contrary, a decrease in the frequency of occurrence of the mutant allele and the heterozygous and mutant homozygous genotype of the CYP1A2 gene. It was also noted that among the patients

with adenomyosis, the proportion of T / T homozygotes of the CYP1A1 gene is less than in the comparison group, the frequency of occurrence of the A / A genotypes of the CYP1A2 gene is statistically lower relative to the comparison group.

For the first time, it was shown that patients with adenomyosis are characterized by an increase in the expression of the ENR gene by 1.5-4.5 times, a decrease in the expression of NRa by 1.4-13.3 times and PgR by 2.2-7.7 times in the tissue of the ectopic endometrium relative to eutopic endometrial tissue in women without proliferative diseases.

Practical significance

The main clinical and anamnestic features of patients with adenomyosis were determined. It was found that women suffering from adenomyosis complain of heavy (94.8%) and painful (48.5%) menstruation on average from 38.5 ± 0.7 years, the time interval from the onset of symptoms of the disease to going to the doctor is 5.3 ± 0.4 years, while only 10% of women are prescribed treatment for adenomyosis, and surgical treatment is carried out 7.2 ± 0.3 years after treatment and 12.5 years after the onset of the first symptoms of the disease. Anamnestic features of patients with adenomyosis are a high frequency of extragenital diseases: obesity (66%) and hypertension (58.5%), as well as gynecological diseases: uterine fibroids (35.6%) and endometrial hyperplasia (48.3%); a high frequency of termination of pregnancy by artificial abortion (72.5%) and a burdened hereditary history of cancer of the reproductive system (4.9%).

Risk factors for the development of adenomyosis have been established: obesity, a burdened hereditary history of malignant diseases of the reproductive system in the female line, the presence of menstruation, the use of intrauterine contraception, a history of abortion and curettage of the uterine cavity; their predictive value was determined.

It was revealed that the clinical and anamnestic indicator with the greatest sensitivity in predicting adenomyosis is the presence of a history of diagnostic curettage of the uterine cavity (90.7%), and the greatest specificity is the presence of an induced abortion (92.2%).

A comprehensive system for predicting the development of adenomyosis has been developed, including a computer program based on the assessment of clinical and anamnestic data and the assessment of molecular genetic markers. The computer program "Predicting the development of adenomyosis" was developed using the logistic regression method, it allows predicting the development of the disease with a probability of 99%. The sensitivity of the program is 85.8%, the specificity is 89.9%. The information content of molecular genetic research methods has been established. It has been shown that a comprehensive determination of genetic markers of estrogen metabolism: CUR1A1, StA2, CUR 19, BSTY! - has a sensitivity of 86.7% and a specificity of 90.6% and can be used to predict the development of adenomyosis in adolescents and young women in order to form groups of increased risk for the development of the disease for preventive measures.

Putting the results into practice

On the basis of the study, the methodological recommendations “Adenomyosis: molecular genetic characteristics, risk factors and prognosis” were developed; the DOZN of the Kemerovo Region was approved (the act of implementation of March 11, 2013), introduced into the practice of medical institutions (the act of implementation of March 12, 2013) and the educational process of the departments of obstetrics and gynecology No. 12 March 2013).

Provisions for Defense:

1. The frequency of adenomyosis in gynecological patients who underwent hysterectomy is 33.4%. The main clinical symptoms of the disease are heavy and painful menstruation. Patients with adenomyosis have certain anamnestic features: a high frequency of extragenital and gynecological diseases, abortions, intrauterine contraception, burdened heredity for oncological diseases of the reproductive system. Patients with adenomyosis are characterized by late diagnosis of the disease, only 10% of women are prescribed conservative treatment, the duration of the disease from the appearance of the first complaints to surgery is 12.5 ± 0.4 years on average.

2. Molecular genetic characteristics of patients with adenomyosis are the presence of a mutant C allele of the SURA 1 gene (OR = 3.69; P<0,001) генотипа Т/С (0111=3,43; Р<0,001) и С/С (ОШ=36,8; Р<0,001), мутантного аллеля А гена СУР1А2 (0ш=0,41; Р<0,001) генотипов А/А (0111=0,12; Р<0,001) и С/А (0ш=0,34; Р<0,001), мутантного аллеля Т гена СУР19 (ОШ = 4,14; Р<0,001) и генотипов С/Т (ОШ=4,14; Р<0,001) и Т/Т (ОШ= 15,31; Р<0,001); а также повышение экспрессии гена ЕВ.р в 1,5-4,5 раза, снижение экспрессии ЕЯа в 1,4-13,3 раза и PgR в 2,2-7,7 раза в тканях эндометриоидных гетеротопий относительно эндометрия женщин группы сравнения.

3. The developed complex system for predicting adenomyosis includes a computer program based on the assessment of 6 clinical and anamnestic risk factors (obesity, burdened heredity for malignant diseases of the reproductive system, the presence of menstruation, intrauterine contraception, abortion and curettage of the uterine cavity) and the determination of molecular genetic markers. The computer program is highly informative, has

sensitivity 85.8%, specificity 89.9%. A comprehensive assessment of the polymorphisms of the CYP1A1, CYP1A2, CYP19 and SULT1A1 genes in predicting the development of adenomyosis has a sensitivity of 86.7% and a specificity of 90.6%.

Approbation of the dissertation material. The main points of the work were reported at the XI International Congress on Endometriosis (Montpellier, France, 2011), the XII All-Russian Scientific Forum "Mother and Child" (Moscow, Russia, 2011), the Kemerovo Regional Day of the Specialist Obstetrician-Gynecologist (Kemerovo, 2011), XVI International Scientific and Practical Conference "From Assumption - to Establishing Truth" (Russia, Kemerovo, 2012), XV World Congress on Human Reproduction (Italy, Venice, 2013), XVII International Scientific and Practical Conference "Conceptual Approaches to Solving Reproductive Problems" ( Russia, Kemerovo, 2013), discussed at the interdepartmental meeting of the departments of obstetrics and gynecology No. 1, No. 2 GBOU VPO KemSMA of the Ministry of Health.

Volume and structure of the thesis

The thesis is presented on 145 sheets of typewritten text and consists of 5 chapters, discussions, conclusions, practical recommendations, and a list of references. The work is illustrated with 39 figures and 22 tables. The bibliographic list consists of 238 sources (101 domestic and 137 foreign).

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Conclusion of the thesis on the topic "Obstetrics and Gynecology", Zotova, Olga Alexandrovna

1. The frequency of adenomyosis among patients undergoing hysterectomy is 33.4%, isolated adenomyosis occurs in 17.9% of cases, in combination with uterine myoma - in 31.4%, endometrial hyperplasia - in 10.4%. These patients are characterized by abundant (94.8%) and painful (48.5%) menstruation on average from 38.5 ± 0.7 years, only 10% of women receive treatment for adenomyosis, and the time interval from the onset of symptoms to surgery treatment is 12 years on average. Anamnestic features of patients with adenomyosis are a high incidence of obesity (66%), hypertension (58.5%), medical abortions in history (72.5%), IUD use (45.8%), burdened heredity for oncological diseases of the reproductive system (4.9%).

2. Patients with adenomyosis have a higher frequency of the CYP1A1 mutant allele C (30%) (OR = 3.69; P<0,001) генотипа Т/С (42,4 %) (ОШ = 3,43; Р<0,001) и С/С (8,8 %) (ОШ = 36,8; Р<0,001), мутантного аллеля А гена CYP1A2 (51,2%) (ОШ = 0,41; Р<0,001) генотипов А/А (27,1 %) (ОШ=ОД2; Р<0,001) и С/А (0ш=0,34; Р <0,001), мутантного аллеля Г гена CYP19 (20%) (ОШ = 4,14; Р<0,001) и генотипов С/Т (31,8%) (0111=4,14; Р<0,001) и Т/Т (ОШ= 15,31; Р<0,001); более низкую частоту гомозигот Т/Т гена CYP1A1 (48,8 %), генотипов А/А (27,1%) гена CYP1A2 и С/А (ОШ=0,34; Р<0,001) относительно группы сравнения.

3. Patients with adenomyosis are characterized by an increase in ERß gene expression by 1.5 - 4.5 times, a decrease in ERa expression by 1.4 - 13.3 times and PgR by 2.2 - 7.7 times in endometrioid heterotopies relative to endometrial tissues in women of the comparison group.

4. The factors, the combination of which determines the possibility of adenomyosis development, are the presence of a history of curettage of the uterine cavity (0111 = 106.7), obesity (OR = 11.0), a history of abortion (OR = 7.8), the use of intrauterine contraception (OR = 6.1), a burdened hereditary history of malignant diseases of the reproductive system (0111 = 3.9), the presence of menstruation (OR = 2.2). The indicator with the greatest sensitivity in predicting adenomyosis is the presence of a history of diagnostic curettage of the uterine cavity (90.7%), and the highest specificity is induced abortion (92.2%).

5. The computer program "Prediction of adenomyosis" developed using the logistic regression method allows predicting the development of adenomyosis in 99% of cases. The sensitivity of the program on an independent sample is 85.8%, the specificity is 93.3%. An isolated assessment of the polymorphisms of individual genes CYP1A1, CYP1A2, CYP 19, SubT1A1 has a sensitivity of 68.6-79.8% and a low specificity of 6.9-23.4%. A comprehensive assessment of the polymorphisms of these genes has a high sensitivity - 86.7% and specificity - 90.6% in predicting adenomyosis.

1. If the patient has complaints of heavy and / or prolonged menstruation, adenomyosis should be included in the complex of differential diagnosis.

2. To prevent adenomyosis, controllable risk factors should be avoided: intrauterine interventions (surgical abortion and curettage of the uterine cavity), as well as the use of intrauterine contraception.

3. To carry out preventive measures and a differentiated approach to the formation of a risk group for the development of adenomyosis, it is advisable to use the developed computer program "Prediction of internal genital endometriosis (adenomyosis)" in women over 33 years old.

4. Comprehensive assessment of allelic variants of genes CYP1A1 (allele C and genotype T / C, C / C), CYP1A2 (allele A, genotypes A / A, C / A, C / C), CYP19 (allele T, genotypes C / T and T / T), SULT1A1 (allele A, genotypes A / G and A / A) in adolescents and young women at risk can be useful in predicting the development of adenomyosis for preventive measures.

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Ultrasound and MRI can diagnose adenomyosis, a disease most common in women of reproductive age. In most cases, it is not accompanied by specific complaints, complicating the diagnostic process. That is why ultrasound is an effective and affordable method that allows you to quickly and painlessly detect the problem.

A Denomyosis was first described by Carl von Rokitansky in 1860, after the invention of the microscope: he described the presence of endometrial glands in the wall of the uterus. But the very terms endometriosis and adenomyosis were proposed only in 1892 by Blair Bell. Later, in 1896, Von Recklinghausen's classification of endometriosis was proposed.

Adenomyosis is more common in women of reproductive age. It is found in about 30% of women of the total female population and in 70% of cases when conducting pathologic histological studies of drugs after hysterectomies. Diagnosis of this disease is possible with ultrasound or magnetic resonance imaging (MRI), in this article we will consider the characteristic ultrasound signs of adenomyosis.

DESIGNATION

Adenomyosis is the presence of ectopic inclusions of the endometrial glands in the stroma of the myometrium. The presence of these inclusions leads to hypertrophy and hyperplasia of the myometrial stroma.

CLINICAL MANIFESTATIONS

Most of the patients do not express specific complaints. Symptoms associated with adenomyosis include dysmenorrhea, dyspareunia, chronic pelvic pain, and menometrorrhagia. Adenomyosis is more common as a diffuse form, spreading throughout the entire thickness of the myometrium (Fig. 1). There is also a focal form known as adenomyoma (Figure 2).

Rice. 1. Adenomyosis is a diffuse form.

Rice. 2. Adenomyosis is a focal form.

Adenomyosis can be associated with other conditions such as uterine leiomyoma, endometrial polyp, and endometriosis. Establishing a clinical diagnosis of endometriosis is difficult, as there are no characteristic symptoms for this disease. However, a diffusely enlarged (rounded) uterus on bimanual examination indicates adenomyosis.

DIAGNOSTICS

Confirmation of the diagnosis of adenomyosis is carried out by pathologic-histological examination of drugs after hysterectomy. The presence of endometrial glands in the stroma of the myometrium more than 2.5 mm from the basal layer of the endometrium confirms the diagnosis. With ultrasound and MRI, a diagnosis can be made. The latest meta-analysis of the reliability of the established diagnosis by ultrasound examination showed that this method has a sensitivity of 82.5% (95% significant interval, 77.5-87.9) and a specificity of 84.6% (79.8-89.8) from the ratio of the likelihood to a positive result - 4.7 (3.1-7.0) and the ratio of the likelihood to a negative result - 0.26 (0.18-0.39). The sensitivity and specificity of MRI in the diagnosis of adenomyosis are similar to those of ultrasound and are 77.5 and 92.5%. When performing transvaginal ultrasonography, the sensor directly touches the body of the uterus, providing a clear visualization of the focus of adenomyosis. In the presence of fibroids, the possibility of ultrasound imaging of adenomyosis decreases, and leiomyoma is generally associated with adenomyosis in 36-50% of cases.

Ultrasound signs

Ultrasound signs of adenomyosis during transvaginal sonography include the following:

1. An increase in the length of the body of the uterus - a rounded shape of the uterus, the length of which is generally more than 12 cm, not due to fibroids of the body of the uterus, is a characteristic feature (Fig. 3).

Rice. 3. The uterus is round in shape, the fuzzy border of the endometrium with the myometrium is also visualized.

2. Cysts with anechoic contents or lacunae in the stroma of the myometrium. Anechoic cysts within the myometrium come in a variety of sizes and can fill the entire thickness of the myometrium (Fig. 4). Cystic changes outside the myometrium may represent small arcuate veins, rather than foci of adenomyosis. For differentiation, color Doppler mapping is used, the presence of blood flow in these lacunae excludes adenomyosis.

Rice. 4. Anegocytic cystic lacunae behind the uterine wall (arrow) with a heterogeneous echo structure.

3. Compaction of the walls of the uterus may show asymmetry of the anterior and posterior walls, especially in the focal form of adenomyosis (Fig. 5).

Rice. 5. When measuring the thickness of the posterior wall of the uterus, we observe its thickening in comparison with the anterior wall (calipers), and also visualize a heterogeneous echo - the structure of the myometrium.

4. Subendometrial linear striation. Invasion of the endometrial glands into the subendometrial space results in a hyperplastic reaction explaining the linear striation outside the endometrial layer (Fig. 6).

Rice. 6. Linear striation (arrows) is outside the heterogeneous structure of the M-echo.

5. Heterogeneous structure of the myometrium. This is an insufficiently homogeneous structure of the myometrium with an obvious violation of the architectonics (Fig. 1 and 4). This finding is more typical for adenomyosis.

6. Fuzzy border of the endometrium with the myometrium. Invasion of the myometrium by the glands also leads to the appearance of a fuzzy border between the endometrium and the myometrium. (Fig. 2 - 6).

7. Sealing the transition zone. This is a zone of hypoechoic rim around the endometrial layer, its size more than 12 mm indicates the presence of adenomyosis.

The main criteria for the diagnosis of adenomyosis are: the presence of a rounded uterus, cystic cavities in the wall of the myometrium, linear striation in the near-endometrial zone. For differential diagnosis with uterine leiomyoma, color Doppler scanning is used. When assessing the blood flow velocity in the uterine arteries in 82% of cases of adenomyosis, arteries inside or around the formation in the myometrium have a pulsation index of more than 1.17, and in 84% of cases with diagnosed uterine myoma - less than 1.17.

CONCLUSIONS

Adenomyosis occurs mainly in women of reproductive age. Most women have no specific complaints. Symptoms characteristic of adenomyosis are chronic pelvic pain and abnormal uterine bleeding. Diagnosis of adenomyosis by ultrasound can be compared to the diagnostic capabilities of MRI. It is an effective, safe and inexpensive examination method.

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