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An MRI brain demonstrates a nasal cavity lesion consistent with a juvenile nasopharyngeal angiofibroma (JNA; arrows; A,B). Left external carotid angiogram with anteroposterior (C) and lateral (D) projections demonstrate a hypervascular lesion (arrows) within the left nasopharyngeal region with predominant blood supply from the artery of the pterygoid canal and posterior nasopharyngeal branches of the distal internal maxillary artery.
