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Two cases of pineal germinoma with granulomatous inflammation.

Authors
Type
Published Article
Journal
Journal of Clinical Neuroscience
0967-5868
Publisher
Elsevier
Publication Date
Volume
12
Issue
3
Pages
310–313
Identifiers
PMID: 15851091
Source
Medline
License
Unknown

Abstract

We report two cases of pineal germinoma with remarkable chronic granulomatous inflammation. In the first case, the pineal mass was totally removed via an occipital transtentorial approach as symptoms were due to direct mass effect. In the second case, endoscopic third ventriculostomy and tissue biopsy was performed to alleviate worsening hydrocephalus. Pathological examination of specimens of both cases showed chronic granulomatous inflammation associated with a few germ cell tumor nests, which demonstrated positive staining for placental alkaline phosphatase. Both patients received post-operative craniospinal irradiation with no subsequent neurological deficits. Follow-up magnetic resonance imaging (MRI) of the second case showed an asymptomatic, shrunken residual tumor mass. MRI of the first case showed no residual or recurrent disease. Thus, a pineal mass with unusual features on MRI and chronic granulomatous inflammation on histopathology, should raise the suspicion of germinoma. In cases with symptomatic mass effect, open resection can be considered. In cases with lesser mass effect, conventional therapeutic modalities without resection can achieve a good outcome, as for other germinomas.

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