American Journal of Neuroradiology, Vol 19, Issue 3 587-588, Copyright © 1998 by American Society of Neuroradiology
ARTICLES |
Pericoccygeal hidrocystoma
SC Chin, CY Chen and RA Zimmerman
Department of Diagnostic Radiology, Tri-Service General Hospital, National Defensive Medical Center, Taipei, Taiwan, ROC.
We report the imaging findings of pericoccygeal hidrocystoma in a 52- year-old woman. Sonography showed a large cystic lesion with internal echoes in the pericoccygeal region; it appeared as a well-defined, low- density mass on CT, and as a high-signal-intensity mass on T1- and T2- weighted MR images. Histopathologic examination revealed an apocrine hidrocystoma.
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