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Possible Mycotic Pseudoaneurysm Superficial Temporal Artery-MDCT

Evidence of mild bulkiness of the right parotid gland along with multifocal vascular structures showing arterial phase enhancement in the substance of the parotid gland in relation to the course of the superficial temporal artery with vascular lesion lying anterior to the tragus. 

DifferentialsVascular lesions in this location in adult are a rare occurrence and this lesion however, likely represents vascular pathology with possible communication with superficial temporal branch of ECA, differential of such appearance although uncommon includes post mycotic pseudoaneurysms, may be sequale of parotitis. There is no history of trauma in this case. Haemangioma is less likely as they are relatively more common in younger age groups and show enhancement of focal area of a gland as a whole. 
Possible Mycotic Pseudoaneurysm Superficial Temporal Artery-MDCT Reviewed by Sumer Sethi on Saturday, September 10, 2011 Rating: 5

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