A Case of Subareolar Abscess with Mass Beneath the Nipple during Chronic Mastitis in a Male Patient

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  • MIZUNO Kayo
    Shonan Menorial Hospital Breast Cancer Center
  • DOI Takako
    Shonan Menorial Hospital Breast Cancer Center
  • SASAKI Takeshi
    Department of Pathology Graduate School of Medicine, The University of Tokyo

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  • 乳頭下腫瘤を形成する慢性乳腺炎の経過中に発生した男性乳輪下膿瘍の1例

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Abstract

<p>A 37-year-old male patient presented to our hospital with complaints of a right breast mass. On palpation, an elastic mass approximately 2 cm × 1 cm in size, slightly caudal to the right nipple, was detected. Mammography revealed asymmetrical breast tissue below the right nipple. Ultrasonography showed a 1.2 × 1.1 × 0.6 cm hypoechoic mass below the right nipple with abundant blood flow in the surrounding area and increased elasticity. The patient had a family history of breast cancer, with his mother surviving it at 68 years of age, and his sister dying of it at 26 years of age. An ultrasound-guided core needle biopsy was performed on the same day, and a diagnosis of chronic mastitis with no evidence of malignancy was made. We encountered a case in which gynecomastia was suspected based on initial clinical findings, but the diagnosis was chronic mastitis based on biopsy results. In this report, we provide a literature review on this topic.</p>

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