A Case of Renal Angiomyolipoma which was Diffricult to Differentiate from Renal Malignant Tumor Atsushi Migita 1 , Koichi Miyamae 2 , Iwao Uto 1 Keyword: 腎腫瘍 , 腎血管筋脂肪腫 pp.261-263
Published Date 2001/3/20
DOI https://doi.org/10.11477/mf.1413903164
  • Abstract
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A 27-year-old woman was admitted with left flank pail. Laboratory examinations were within normal limits. U showed a hypoechoic left renal tumor. CT confirmed a mass of irregular enhancement. Both Ti and T2 weighted MRI revealed low intensity mass. Selective left renal angiography showed a hypovascular tumor. These findings suggestedrenal cell carcinoma or sarcoma, therefore left nephrectomy was performed. Initial pathological diagnosis was leiomyo-sarcoma. However, after subsequent histologic examina tions, the tumor was positive for HMB-45 staining, the diagnosis was corrected to angiomyolipoma.

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