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Alveolar Soft-Part Sarcoma of the Tongue

Ashley H Aikena and Jeffrey A. Stonea

a From the Department of Radiology, Medical College of Georgia, Augusta, GA



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  		FIG 1. Axial contrast-enhanced CT shows a relatively well-circumscribed tongue mass with slightly greater peripheral enhancement and central areas of low attenuation due to tumor necrosis.



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  		FIG 2. A, Sagittal T1-weighted unenhanced image shows a hyperintense signal intensity lesion in tongue with central low signal intensity representing an area of tumor necrosis.

B, Axial T2-weighted image shows a large hyperintense lesion in the tongue with a central region of greater signal intensity (long arrow) due to necrosis. A few scattered flow voids (short arrows) are seen within the lesion consistent with the diagnosis of ASPS.

C, Axial contrast-enhanced T1-weighted image shows intense heterogeneous enhancement with an internal area of low signal intensity due to necrosis (long arrow). Flow voids are once again seen (short arrow).



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  		FIG 3. Lateral-projection angiograms acquired during mid- (A) and late (B) arterial phases show a hypervascular mass with irregular, tortuous tumor vessels and persistent tumor blush. An early draining vein is seen at the base of tongue (arrow).





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X