Treatment of fat-poor renal angiomyolipoma with ectopic blood supply by fluorescent laparoscopy: A case report and review of literature

Figure 6 Histopathological image. A: Histopathological image showing tumor cells composed of spindle or fatty spindle cells with moderate cell density and a strip-like arrangement (H&E staining); B: Histopathological image showing significant thick-walled vessels with vitreous changes, and tumor cells seemed to distribute around the vessels; C: Immunohistochemical images showing positivity for HMB45; D: Immunohistochemical images showing S-100 positivity were suggestive of mature adipocytes.