Teenager with epistaxis Pediatric Imaging Neurological June 8, 2019July 16, 2019 Axial CT without contrast of the face (above) shows a large left sided sinonasal soft tissue mass. Early (below left) and later (below right) lateral images from a carotid angiogram show the mass to be hypervascular. The diagnosis was juvenile nasopharyngeal angiofibroma. Related Published June 8, 2019July 16, 2019