Abstract
We present a rare and clinically relevant anomaly of the sphenopalatine artery in relation to its blood supply of the nasal mucosa, with implications for the management of epistaxis. Case report and review of the world literature, using Medline through Pub Med (1950-2005), EMBASE (1980-2005) and Ovid (1958-2005), searching for papers using a combination of terms including 'spheno-palatine artery', 'anterior ethmoidal artery' and 'epistaxis'. In the presented case of refractory epistaxis, endoscopic and subsequent endovascular management failed to identify a significant supply from the sphenopalatine arteries bilaterally. The main supply was found to be from the anterior ethmoidal arteries. After a detailed search, the authors failed to locate any similar case in the English literature.
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