Abstract
The patient was a 50-year-old woman. Screening mammography (MMG) had indicated an abnormal shadow in the right breast. A repeat MMG revealed no abnormality, but ultrasonography (US) showed a tumor in the C-region of the contralateral left breast, which was suspected to be a malignancy based on the results of fine needle aspiration cytology (FNAC). The patient was therefore referred to our hospital for complete evaluation and treatment.
She was confirmed to have breast cancer by repeat FNAC, and an enlarged lymph node was palpable in the axilla and over the collar bone. The presence of a metastatic lymph node seemed somewhat unlikely, judging from the size of the primary tumor on US. Thus, FNAC of the axillary lymph node was performed, but no metastasis was detected. After admission, left-breast-conserving surgery (lt-Bp+Ax) was performed. Histopathology revealed a glycogen-rich clear cell carcinoma, and the lymph node showed subacute necrotizing lymphadenitis.
