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Fig. 3 | Clinical Sarcoma Research

Fig. 3

From: A case report of Kaposiform haemangioendothelioma; response with propranolol and steroids

Fig. 3

Histopathology of Kaposiform haemangioendothelioma. a Low power photomicrograph of the tumor showing nodular architecture with spindle cells arranged in cannon ball fashion with slit like ill formed vascular channels. (H&E 100×). b High power photomicrograph showing cells exhibiting mild pleomorphism with elongated nuclei, finely dispersed chromatin and scanty to moderate cytoplasm. Few of the vascular spaces showed RBC. There were occasional mitotic figures. (H&E 200×). c Immunostaining for CD31 showing diffuse cytoplasmic positivity in tumor cells. d Immunostaining for FLI-1 showing nuclear positivity in tumor cells

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