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Most common hypervascularized tumours of the sinonasal tract.
| Benign vascular tumours and tumour-like lesions | Juvenile angiofibroma Hemangioma (lobular capillary hemangioma) Angioleiomyoma Sinonasal paraganglioma |
| Vascular malformations | Venous malformation (cavernous hemangioma) |
| Borderline/low grade malignant tumour | Glomangiopericytoma Solitary fibrous tumour |
| Primary malignant vascular tumours | Angiosarcoma |
| Secondary hypervascularized tumours | Renal cell carcinoma |
