J Neurol Surg Rep 2013; 74(02): 077-080
DOI: 10.1055/s-0033-1347904
Georg Thieme Verlag KG Stuttgart · New York

Densely Calcified Atypical Choroid Plexus Papilloma at the Cerebellopontine Angle in an Adult

Masahiko Wanibuchi
1   Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
2   Carolina Neuroscience Institute, Raleigh, North Carolina, United States
,
Russell R. Margraf
3   Raleigh Neurosurgical Clinic, Raleigh, North Carolina, United States
,
Takanori Fukushima
2   Carolina Neuroscience Institute, Raleigh, North Carolina, United States
› Author Affiliations
Further Information

Publication History

21 February 2013

11 March 2013

Publication Date:
31 May 2013 (online)

Abstract

Choroid plexus papilloma is a rare benign tumor accounting for 0.5% of all intracranial tumors. The majority of choroid plexus papillomas occur during the first 2 years of life in the ventricular system. Moreover, dense calcification of the tumor is uncommon. We report an adult case of densely calcified, atypical choroid plexus papilloma that originated from the cerebellopontine angle without connection to the forth ventricle. Because the case involves a rare combination of four features—adult, dense calcification, atypical form, and cerebellopontine angle—each characteristic associated with the choroid plexus papilloma was discussed. The finding of calcification at the cerebellopontine angle in an adult should suggest the possible presence of choroid plexus papilloma.

 
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