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PT  - JOURNAL ARTICLE
AU  - Tchoyoson Lim, C. C.
AU  - Dillon, William P.
AU  - McDermott, Michael W.
TI  - Mucocele Involving the Anterior Clinoid Process: MR and CT Findings
DP  - 1999 Feb 01
TA  - American Journal of Neuroradiology
PG  - 287--290
VI  - 20
IP  - 2
4099  - http://www.ajnr.org/content/20/2/287.short
4100  - http://www.ajnr.org/content/20/2/287.full
SO  - Am. J. Neuroradiol.1999 Feb 01; 20
AB  - Summary: We report two patients with surgically proved mucoceles involving the anterior clinoid process. One patient had a mucocele of an Onodi cell and the other had a mucocele isolated to the anterior clinoid process. The MR signal was increased on both T1- and T2-weighted images in the first patient but was isointense on both sequences in the second patient, a finding that resulted in misdiagnosis. The developmental and anatomic features, as well as the diagnostic pitfalls, are discussed.