Fat-poor leiomyomatous angiomyolipoma arising from renal parenchyma negative for HMB-45: A case report

Yasuyuki Kobayashi; Shigeki Shimizu; Hiroki Arai; Kyotaro Yoshida; Masahito Honda

doi:10.1002/ccr3.6771

Fat-poor leiomyomatous angiomyolipoma arising from renal parenchyma negative for HMB-45: A case report

Clin Case Rep. 2022 Dec 20;10(12):e6771. doi: 10.1002/ccr3.6771. eCollection 2022 Dec.

Authors

Yasuyuki Kobayashi¹, Shigeki Shimizu², Hiroki Arai¹, Kyotaro Yoshida³, Masahito Honda¹

Affiliations

¹ Department of Urology Kinki Central Hospital of Mutual Aid Association of Public School Teachers Itami Japan.
² Department of Diagnostic Pathology Kinki Central Hospital of Mutual Aid Association of Public School Teachers Itami Japan.
³ Department of Clinical Laboratory Kinki Central Hospital of Mutual Aid Association of Public School Teachers Itami Japan.

Abstract

Fat-poor leiomyomatous angiomyolipoma, which is similar to smooth muscle tumors, is positive for smooth muscle markers and melanocytic marker human melanin black 45 (HMB-45). We report a case of fat-poor leiomyomatous angiomyolipoma arising from renal parenchyma negative for HMB-45 diagnosed by combined staining with melanocytic markers HMB-45 and Melan-A.

Keywords: HMB‐45; Melan‐A; angiomyolipoma; renal parenchyma; smooth muscle tumor.

Publication types

Case Reports