Sinonasal intravascular papillary endothelial hyperplasia successfully treated by endoscopic excision: A case report and review of the literature

IPEH may be mistaken for an angiosarcoma clinically and histopathologically. Complete endoscope-guided surgical excision is the best choice of therapy for patients with IPEH and is both diagnostic and curative. Awareness of this lesion will prevent incorrect diagnosis and overly aggressive treatment.