- 期刊
Xanthogranulomatous Mastitis Mimicking as Breast Cancer on F-18 FDG PET/CT
正子造影下表現形似乳癌的黃色肉芽腫乳腺炎
摘要
An 83-year-old woman underwent F-18 fluorodeoxyglucose (FDG) positron emission tomography/computed tomography for non-invasive evaluation of pleural effusion and pericardial effusion. The scan incidentally revealed an FDG-avid lesion in the right breast with lymph nodes in the right internal mammary chain. Core needle biopsy on the same day showed foamy histiocytes infiltration mixed with foreign-body type giant cells, pigmentation, cholesterol clefts, and inflammatory cell infiltration, indicating xanthogranulomatous mastitis. Cytokeratins AE1/AE3 immunostain was negative, which indicated no evidence of malignancy. There is no definite evidence of tumor growth in the right breast during a 2-year follow-up.
並列摘要
一位83歲女士罹患肋膜積水及心包膜積水，為尋求非侵入性的診療而接受正子掃描。正子掃描發現右側乳房結節及同側內乳淋巴結病灶。同日，粗針切片顯示泡沫樣組織球（foamy histiocytes）浸潤混有異物巨細胞（foreign-body giant cells）、色素沉著（pigmentation）、膽固醇裂（cholesterol clefts）及發炎細胞浸潤（inflammatory cell infiltration），病理診斷為黃色肉芽腫乳腺炎。Cytokeratins AE1/AE3免疫染色為陰性，指出無惡性細胞。經兩年追蹤觀察，右側乳房沒有新發現惡性腫瘤的跡象。
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