Figure 1.

Morphology: (a) The superficial portion showed pyogenic granuloma-like findings on H&E (original magnification x 100). (b) Endothelial cells maintained vague lobular architectures and exhibited bland cellular morphology on H&E (original magnification x 40). (c) The deeper portion showed infiltrative growth into the muscularis propria on H&E (original magnification x 40). (d) Endothelial cells showed a positive result for CD34 (original magnification x 100).

Gu et al. Diagnostic Pathology 2013 8:12   doi:10.1186/1746-1596-8-12
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