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Fig. 2 | BMC Ophthalmology

Fig. 2

From: HMB-45 negative angiomyolipoma of the orbit: a case report and review of the literature

Fig. 2

Grossly, the tumor is a 1.8 × 1.8 × 1.3 cm yellowish, encapsulated, solid mass (a). Microscopic features of the tumor shows it is comprised of spindle to ovoid-shaped muscle cells interspersed with irregular vascular channels and mature adipocytes (b, hematoxylin and eosin stain, original magnification, ×100). Immunohistochemical staining reveals that the proliferating vessels are positive for CD34 (c) and smooth muscle cells are positive for HHF-35 (d) (original magnification, ×100)

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