Epithelioid angiomyolipoma of the kidney: A case report

Yoko Koh, Satoru Yumiba, Makoto Matsushita, Soh Oh, Takayuki Okada, Takeshi Ujike, Mikio Nin, Masao Tsujihata, Hideaki Miwa, Shuji Mikami

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Abstract

Herein we report a case of epithelioid angiomyolipoma of the kidney which is a rare subtype of angiomyolipoma. A 68-year-old man without a history of tuberous sclerosis complex (TSG) was referred to our department with a 40 × 84 mm left renal tumor incidentally detected by computed tomography. Computed tomography demonstrated a left renal heterogeneous mass which was enhanced at the early phase and washed out at the late phase. A tumor thrombus was seen extending into the main renal vein. No metastatic disease was evident. Thus, on the diagnosis of renal cell carcinoma, the patient underwent a left radical nephrectomy. Pathological examination showed that this tumor was composed predominantly of epithelioid cells, with a few blood vessels and adipose tissue and was diagnosed as epithelioid angiomyolipoma. He shows no disease progression for 6 months after the operation.

Original languageEnglish
Pages (from-to)271-274
Number of pages4
JournalActa Urologica Japonica
Volume61
Issue number7
Publication statusPublished - 2015 Jul 1

Keywords

  • Epithelioid angiomyolipoma
  • Kidney

ASJC Scopus subject areas

  • Urology

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  • Cite this

    Koh, Y., Yumiba, S., Matsushita, M., Oh, S., Okada, T., Ujike, T., Nin, M., Tsujihata, M., Miwa, H., & Mikami, S. (2015). Epithelioid angiomyolipoma of the kidney: A case report. Acta Urologica Japonica, 61(7), 271-274.