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Case Reports in Neurological Medicine
Volume 2014, Article ID 527267, 5 pages
Case Report

Microcystic Variant of an Intraosseous Meningioma in the Frontal Area: A Case Report

1Department of Neurosurgery, Provincial Hospital, Armii Krajowej 101 Street, 43-316 Bielsko-Biała, Poland
2Faculty of Health Sciences, University of Bielsko-Biała, Willowa 2 Street, 43-300 Bielsko-Biała, Poland
3Department of Pathomorphology, Beskidzkie Oncology Centre, John Paul II Municipal Hospital, Wyzwolenia 18 Street, 43-300 Bielsko-Biała, Poland

Received 24 March 2014; Accepted 21 May 2014; Published 17 June 2014

Academic Editor: Andreas K. Demetriades

Copyright © 2014 Jan Bujok and Marek Bienioszek. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Meningiomas located inside the bone of the calvaria belong to the group of rare types of tumours. The microcystic variant is the least common in this area. Due to their similarity to other tumours in this area, the imaging test of those tumours may constitute the source of an improper preoperative diagnosis. According to the records of the Department of Neurosurgery in Bielsko-Biała, 133 patients diagnosed with an intracranial meningioma confirmed by a histopathological test were operated in the last 10 years (2004–2014). In the histopathological test, three patients were diagnosed with the microcystic variant, which constitutes 2.25% of the cases. Only one variant of microcystic meningioma was located inside the bone, which constitutes 0.75% of all the meningiomas operated.