Fat-poor renal angiomyolipoma with prominent cystic degeneration: A case report and review of the literature

Figure 2 Histopathological findings of renal angiomyolipoma with cystic degeneration. A: Hematoxylin and eosin staining showed tortuous and ectatic tumor vessels with uneven and thick wall in the critical renal parenchyma; B: Randomly arranged smooth muscle-like spindle cells with nuclei of different sizes. Original magnification × 200 and × 400 (insets).