Main Clinical Manifestations of Mammary Gland Hyperplasia
Mar 30, 2022
Source: Cainiu Health
Dr. Lv Aiming
Introduction
Breast pain is commonly characterized as a distending or stabbing sensation, affecting either one or both breasts—most frequently more severe on one side. In severe cases, the pain may be so intense that the breast cannot be touched, significantly interfering with daily activities and work. The pain is typically localized to the area of the breast mass but may radiate to the ipsilateral axilla, chest wall, or shoulder–back region. Some patients may instead experience nipple pain or pruritus.
The clinical manifestations of mammary gland hyperplasia primarily include breast distension and pain before or during menstruation. In a small number of cases, breast discomfort may persist even after menstruation ends. The most prominent symptom is the marked distension and pain occurring premenstrually and during menses.
Primary Clinical Manifestations of Mammary Gland Hyperplasia
Breast pain is commonly described as distending or stabbing in nature and may affect one or both breasts—more frequently unilateral. In severe cases, the pain may be so intense that the breast cannot be touched, significantly interfering with daily activities and work performance. Pain is typically localized to the area of the breast mass but may radiate to the ipsilateral axilla, chest wall, or shoulder–back region. Some patients may experience nipple pain or pruritus. Breast pain usually appears or worsens several days prior to menstruation and markedly subsides or disappears after menstruation begins. Pain intensity may also fluctuate with emotional changes. This cyclical relationship between pain and the menstrual cycle—and its sensitivity to emotional state—is a hallmark clinical feature of mammary gland hyperplasia.
Breast masses may occur unilaterally or bilaterally, singly or multiple, and are most commonly found in the upper outer quadrant of the breast—though they may appear in any quadrant. Mass morphology varies, including plaque-like, nodular, cord-like, or granular forms, with plaque-like being the most frequent. Mass margins are typically ill-defined, consistency is moderate to slightly firm and resilient, mobility is good, and there is no adhesion to surrounding tissues; tenderness upon palpation is common. Size ranges widely—from millet-sized to over 3–4 cm in diameter. Importantly, breast masses often exhibit cyclical changes correlating with the menstrual cycle: they enlarge and become firmer premenstrually and shrink and soften following onset of menses.
Nipple discharge: A minority of patients may present with spontaneous nipple discharge, typically serous and yellowish or brownish in color.
Menstrual irregularities: Patients may concurrently experience irregular menstrual cycles (e.g., unpredictable timing), scanty flow, or pale-colored menses, sometimes accompanied by dysmenorrhea.
Emotional disturbances: Patients often report emotional stagnation, irritability, or quick temper; symptoms frequently worsen following anger, mental stress, or physical fatigue.
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