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Published on: April 18, 2015
Cystic parathyroid adenomas on dynamic CT
J C Sillery1, D R DeLone, K M Welker
1Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA. jdsillery@msn.com
Abstract:
We have encountered 2 cases of parathyroid adenomas that are atypical because of their large size, cystic character, and faint enhancement compared with the typical solid parathyroid adenomas. Specifically, the enhancement pattern of a typical parathyroid adenoma in a multiphasic scan demonstrates rapid arterial enhancement and rapid washout on delayed imaging, whereas, comparatively, the 2 cystic parathyroid adenomas we encountered demonstrated less arterial phase enhancement and little washout on venous and delayed-phase imaging.
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