A 20 year old man from hilly areas presented with epistaxis. His DSA showing sphenopalatine branch of maxillary artery is shown below. The arrow most likely points to which pathology?
Correct Answer: AVM
Description: Ans. B. AVM* The arrow points to the blush due to AVM supplied by the ethmoidal branch of ophthalmic artery (from ICA) and the sphenopalatine branch of internal maxillary artery (from ECA).* This is typical of AV malformation. Note the communication between these arteries.* Normally, the nasal fossa is supplied by both the ICA and ECA.* The blush in angiofibroma won't be so anterior and there won't be communication between arteries.
Category:
Radiology
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