Intrasellar dermoid cyst mimicking pituitary apoplexy: A case report and review of the literature.

Intrasellar dermoid cyst mimicking pituitary apoplexy: A case report and review of the literature.

J Clin Neurosci. 2017 Jun 07;:

Authors: Pan YB, Sun ZL, Feng DF

Abstract
Intrasellar dermoid cysts are extremely unusual lesions, with only four cases reported to date, and have not been previously reported in association with sudden-onset symptoms. Here, we present the case of an intrasellar dermoid cyst with sudden-onset symptoms mimicking pituitary apoplexy in an elderly woman. A 69year-old woman presented with sudden onset of headache, dizziness, and decreased visual acuity. Magnetic resonance imaging of the sellar region showed an intrasellar lesion, which showed mixed hyper- and hypointense signal on T1-weighted and T2-weighted images and enhanced peripherally. Endocrine workup showed pituitary hormones within normal levels. According to these findings, the initial diagnosis of nonsecreting pituitary macroadenoma apoplexy was made. Intraoperatively, a large amount of whitish-yellow purulent material was found in the mass and the lesion was partially removed, owing to tight adhesion between remanent mass and surrounding neurovascular structures. Pathology showed a dermoid cyst with abundant neutrophil infiltrations.

PMID: 28601571 [PubMed - as supplied by publisher]

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