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- Title
Tailgut cysts: MRI findings.
- Authors
Aflalo-Hazan V; Rousset P; Mourra N; Lewin M; Azizi L; Hoeffel C; Aflalo-Hazan, V; Rousset, P; Mourra, N; Lewin, M; Azizi, L; Hoeffel, C
- Abstract
Magnetic resonance imaging (MRI) features of 11 surgically resected pelvic tailgut cysts were analyzed with reference to histopathologic and clinical data. Homogeneity, size, location, signal intensity, appearance and presence of septa and/or nodules and/or peripheral rim and involvement of surrounding structures were studied. Histological examination demonstrated 11 tailgut cysts (TGC), including one infected TGC and one TGC with a component of adenocarcinoma. Lesions (3-8 cm in diameter) were exclusively or partly retrorectal in all cases but one, with an extension down the anal canal in five cases. Lesions were multicystic in all patients but one. On T1-weighted MR images, all cystic lesions contained at least one hyperintense cyst. The peripheral rim of the cystic lesion was regular and non or moderately enhancing in all cases but the two complicated TGC. Nodular peripheral rim and irregular septa were seen in the degenerated TGC. Marked enhancement of the peripheral structures was noted in the two complicated TGC. Pelvic MRI is a valuable tool in the preoperative evaluation of TGC.
- Publication
European Radiology, 2008, Vol 18, Issue 11, p2586
- ISSN
0938-7994
- Publication type
journal article
- DOI
10.1007/s00330-008-1028-4