What causes breast discharge?

Patient's question:

Detailed medical history and consultation purpose: Since lactation ended in early 2022, there has been galactorrhea in the left breast.
Ultrasound description: No obvious abnormal echoes were found in the subcutaneous tissue of both breasts. The breast tissue of both breasts is not thick, and the echo distribution is uneven. The right breast shows multiple low-echo nodules. The larger ones are located at 11-12 o'clock, approximately 2 cm away from the areola, and above the nipple, with sizes of about 0.78 cm x 0.46 cm and 0.70 cm x 0.28 cm, respectively. The boundaries are clear, they are oval-shaped, and the morphology is irregular. The internal echoes are uneven, and it appears to be connected to the glandular ducts on the side. There is no significant change in the posterior echoes. The left breast shows a nodule at 12 o'clock, approximately 2 cm away from the areola.

Doctor's answer:

Hello, according to what you mentioned, your condition is not normal and may be related to breast diseases. It is recommended that you go to the breast surgery department for examination and diagnosis. Breast discharge may be due to breast inflammation or a pituitary tumor. The pituitary gland regulates the secretion of various hormones, including estrogen and progesterone. If the pituitary gland has problems, the hormone levels change, and corresponding symptoms may appear. It is recommended to go to the hospital for examination, where an MRI can be performed to rule out pituitary issues.

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