Fig. 1From: Loss of chromosome 13 material in cellular angiofibromas indicates pathogenetic similarity with spindle cell lipomasPathologic examination of the cellular angiofibroma in case 2. a Macroscopic picture of the tumor. b Low power HE-stained slide showing well circumscribed tumor with adipocytic components. c High power HE-stained slide showing spindle cells with admixed adipose tissue and blood vessels. d Immunohistochemical analysis demonstrating positivity for CD34Back to article page