Browse the corpus

Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

1 passage

contentuptodate· Content· item f17_24_17797

©2013 UpToDate ® Print Email Angiofibroma of the head and neck Low power photomicrograph of an angiofibroma; these tumors often have a stag-horn arrangement of thin-walled vessels (black arrow). The stroma is fibrotic and hypocellular. Courtesy of G Kenneth Haines, MD.