Sinonasal Angiomatous Polyp: A Case Report.

The sinonasal angiomatous polyp is an uncommon kind of sinonasal polyp that presents as solitary painless growth with aggressive bone erosion, and bleeding similar to cancerous lesions. Computed tomography scanning and magnetic resonance imaging are valuable for its evaluation. Management involves endoscopic surgical excision with sinus drainage restoration. Histopathologically, large dilated blood vessels resembling capillaries can be found.