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Breast cyst

About the disease
Classification of pathology
Symptoms and diagnosis
Treatment and prognosis

About the disease

A cyst is the most common type of breast neoplasm that women most often go to the mammology office for.

Cystic formations are considered benign, but require careful diagnosis in order to exclude more dangerous diseases. At the EMC clinic, patients are admitted by doctors with many years of experience and work experience in the best Russian and global specialized medical institutions.

Breast cysts belong to a broad group of benign breast changes. The group includes other pathologies, but it is cystic formations that usually cause the greatest concern in women.

Causes of pathology

The breast is based on fat and connective tissue, which forms the volume of the female breast. The structure of the breast proper includes the glandular body, which consists of 15-20 separate lobes located radially in the breast, like the petals of a flower, and separated by connective tissue. Large lobes are divided into small lobules, in which milk is secreted during pregnancy and lactation. Milk flows from the glands through the milk ducts to the nipple. Outside of pregnancy and lactation, breast lobules are normally inactive.

However, sometimes during this period, fluid still forms in the lobules of the breast. At the same time, the secret accumulates in the breast tissues, since the ducts are clogged and are not able to evacuate it. A cavity lined with epithelial tissue is formed, which is filled with the liquid contents of the cyst.

The exact causes of breast cysts have not yet been established. It is assumed that the mechanism of cyst formation is based on hormonal imbalance with an increase in estrogen and a decrease in progesterone. This leads to an overgrowth of connective tissue and an increase in the thickness of the epithelium. The hormonal theory is confirmed by the fact that after menopause, fibrocystic formations in many women decrease in size.

Studies show that throughout life, manifestations of fibrocystic mastopathy, which includes breast cysts, are noted in 70; 90% women. Among the possible causes of fibrocystic mastopathy, conditions affecting the hormonal background are listed, for example, endocrine diseases, ovarian dysfunction, treatment with hormonal drugs, etc. Although cysts can appear in women of reproductive age at any time, they are more often detected during premenopause.

Classification of pathology

Breast cysts: what are the types

Breast cysts are classified by size and type.

Depending on the size, the following are distinguished:

  • Microcysts

    These are small formations up to 1 cm in size, which are extremely difficult to detect during self-diagnosis or palpation of the breast. Usually, such growths are not accompanied by any symptoms and often do not require removal. As a rule, they are detected by chance during preventive mammography or ultrasound examination.

  • Macroquists

    A woman can detect such a neoplasm on her own as part of breast palpation during self-diagnosis. Macrocysts often reach a size of 2.5-5 cm or even more. Since an increase in cyst size can be accompanied by compression of adjacent tissues, such growths are more likely to have unpleasant symptoms, especially during the second half of the menstrual cycle.

Structurally, benign breast growths are divided into the following types:

  • Simple

    As a rule, this is a local neoplasm that appears due to a violation of the maturation process of the mammary gland. The cyst is an elastic rounded sac with homogeneous liquid contents. Simple cysts are more often isolated, but there are also multiple neoplasms that can cover both breasts. Fibrous cysts have stable sizes, which is why they are sometimes called chronic.

  • Complex or atypical

    When examining such a neoplasm on ultrasound, both a liquid and a solid (fibrous) component are isolated. Since there are tissue inclusions inside such formations, cytological or histological examination of a tissue sample is usually prescribed to exclude a malignant process.

Symptoms and diagnosis

Symptoms of the disease

Small solitary (single) breast cysts may not manifest themselves in any way and may be discovered accidentally during an examination for another reason. Symptoms of fibrocystic fibrosis appear in about 20% of cases. At the same time, it is only possible to independently detect a nodule in the breast. 7% of women.

Large breast cysts are accompanied by the following symptoms:

  • palpation of the breast reveals an elastic formation of a rounded or oval shape with smooth outlines, which easily shifts under the skin.;

  • soreness in the area of the neoplasm caused by compression of adjacent tissues;

  • pain and enlargement of the nodule in the breast in the last days before menstruation

Subjective symptoms do not allow you to independently distinguish between benign and malignant neoplasms. Therefore, if any unusual sensations or changes from the breast are detected, it is necessary to consult a specialist who will be able to determine the nature of the neoplasm and prescribe modern treatment.

Breast cyst diagnosis

At the initial appointment, the doctor conducts a survey of the patient about breast cancer or unpleasant symptoms. The patient's family history regarding cancer, the age of menarche, the dependence of symptoms on the menstrual cycle, breast injuries in the recent past, the presence and nature of discharge from the nipple, changes in breast skin and other symptoms are being clarified. Next, the doctor performs a physical examination — palpation of the mammary glands to identify any abnormalities. Palpation of the cervical and axillary lymph nodes is also performed.

During a physical examination, the doctor can confirm the presence of a nodule, but will not be able to determine its nature. To clarify it, more informative diagnostic procedures are needed.

Mammography

This is an X-ray examination that allows you to accurately visualize any breast abnormalities, especially in women over 40 years old. The EMC clinic uses a progressive digital mammography method with tomosynthesis, which provides the most accurate information about the size and location of the neoplasm, and also allows a preliminary conclusion about the contents of the cyst.

ULTRASOUND

Ultrasound is the main diagnostic method for determining the structural components of a cyst. Anechoic or hypoechoic formation indicates a simple cyst, while hyperechoic formation indicates solid inclusions that suggest a complex structure of the neoplasm. The heterogeneity of the contents may indicate a previous inflammation, the presence of calcifications in the cyst. Additional research is needed to rule out dangerous diseases.

Fine needle or thick needle biopsy

The study involves aspiration of the cyst contents by inserting a very thin needle into it through the skin (if necessary, under ultrasound control). In the presence of an intrahepatic component, a thick-needle biopsy is performed. When the liquid contents are removed, the cyst usually subsides. In all cases, the fluid and tissue are sent for analysis.

Treatment and prognosis

Breast cyst: treatment, prognosis, prevention

With a confirmed diagnosis of a simple cyst, surgical treatment is not necessary in most cases. After removing the liquid contents, the patient undergoes a follow-up examination. In the future, periodic medical monitoring is indicated. If the cyst recurs and is accompanied by severe symptoms, hormonal medications (oral contraceptives) may be prescribed.

Complex cysts with heterogeneous contents require a more careful approach. If no abnormal cells were found after the biopsy, in most cases, dynamic surveillance tactics with regular examinations are recommended. Surgical treatment is necessary if:

  • blood was detected in the contents of the neoplasm;

  • Histologically atypical parietal growths were found in the cyst.

  • discharge from the nipple persists for a long time or changes its character (impurities of pus, blood).

Surgical operation to excise a cyst within healthy tissues is performed only by a doctor's decision, if indicated.

In most cases, the cyst does not pose a health hazard. The prognosis is favorable. As a preventive measure for the development of neoplasms, it is recommended to regularly conduct self-examinations and visit a doctor for routine checkups.

The EMC Clinic consists of the best specialists in the field of mammology, advanced methods of instrumental and laboratory diagnostics, and treatment according to the latest international medical protocols.

Make an appointment with a mammologist by phone + 7 499 490-91-42.

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Questions and answers

What is the danger of a cyst in the mammary gland?

Benign neoplasms of the breast can greatly alarm a woman and cause thoughts of malignant tumors. In fact, simple e cysts increase the risk of breast cancer and do not degenerate into malignant tumors. In rare cases, with complex cysts, the development of intracystic cancer is noted, which is characterized by slow progression. Inflammation and suppuration of cystic formations are also possible. Sometimes the cyst reaches a large size, which can deform the breast, cause psychological problems and reduce the quality of life. But in most cases, the only danger of a breast cyst is that its presence can complicate the work of a doctor when searching for and diagnosing other nodular growths.

Which doctor should I contact if a cyst appears in the breast?

If a woman finds a nodule or other unusual change in breast tissue, she can contact a gynecologist, who will conduct an initial examination and send her for additional examinations. You can also contact a mammologist directly. to a specialist who deals with breast diseases.
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