Non-cancerous Benign Tumors of the Breast

Breast Mass

A palpable mass in the breast is a common finding. Breast mass causes great fear in women because it is an important breast cancer finding. Hardness in the breast, which appears in the second period of the menstrual period and shrinks or disappears with menstruation, is most likely a formation we call a breast cyst. A mass in the breast may also be a sign of breast cancer. When a mass is detected in the breast, it must be investigated.

Cyst in the breast

If the hardness of the breast is palpable, this is the formation we most commonly call a cyst in the breast. A breast cyst is a water-filled sac (bubble). Since the breast is a secretory organ, it is quite common to see cysts in the breast. It can grow in the second half of menstruation. It can cause pain at times. Sometimes it can reach 3-5 cm in diameter. If the cyst grows too large (greater than 2.5 cm) in the breast, it causes pain. For this reason, the enlarged breast cyst can be entered with a syringe needle and the fluid inside can be drained.

Simple cyst in the breast

The cyst wall is smooth. The liquid inside is homogeneous (in the same regular structure). There is no vascular structure in the mass. A simple cyst never develops into cancer: therefore it does not need to be followed up.

Complicated cyst in the breast

Sometimes several breast cysts come together to form a grape-like appearance: or they can be seen divided into different compartments within a cyst. This type of cyst is called a complicated cyst. Ultrasound follow-up of this group of cysts is recommended several times with an interval of 6 months.

Cyst that protrudes into the cavity in the breast

There may be a protrusion of the basin from the wall of the cyst into the cyst (intramural protrusion). In this case, a piece should be taken and investigated in terms of cancer.

Concentrated cyst in the breast

Sometimes the fluid inside a breast cyst can be extremely dense. In this case, it is not possible to distinguish between a liquid-filled or a cell-filled solid mass. Therefore, it is recommended to be followed at short intervals.

Irregular cyst in the breast

Sometimes there may be bleeding into the cyst in the breast or there may be tissue debris in it. This gives the appearance of an inhomogeneous structure on the ultrasound view. These cysts may also need to be examined and followed up.

Breast cyst diagnosis

The most important information about the internal structure of a mass detected in the breast is to know whether the mass is filled with fluid (cyst) or filled with cells (solid). The diagnostic method for a cyst in the breast is ultrasound. The treatment method is determined according to the above-mentioned characteristics of the internal structure.

In cases where breast ultrasound cannot be performed, the mass is entered with an injector tip and the structure inside is tried to be drawn into the injector. If it is a cyst, the fluid in it comes to the syringe, if it is a solid mass, the fluid does not come into the syringe.


Most of the cysts detected in the breast do not need treatment. If it is a simple breast cyst, it is ignored, even follow-up may not be necessary. If it is a complicated cyst or a cyst with dense content, ultrasound is performed 2-3 times with an interval of 6 months to see if there is any change.

Sometimes, if the fluid in the cyst in the breast is irregular and grainy, it is entered with an injector and the cyst fluid is drained. The fluid drawn with the injector is sent to the pathology, and the cells in it are examined.

If the fluid drawn with the injector is bloody, pathological examination is absolutely necessary. When necessary, the entire cyst should be surgically removed and examined.

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