Uncommon and atypical meningiomas and imaging variants: A report of 7 cases

Fotakopoulos,George; Tsolaki,Vasiliki; Aravantinou-Fatorou,Aikaterini; Georgakopoulou,Vasiliki Epameinondas; Spandidos,Demetrios A.; Papalexis,Petros; Tarantinos,Kyriakos; Trakas,Nikolaos; Sklapani,Pagona; Mathioudakis,Nikolaos; Chlapoutakis,Serafeim; Lavdas,Eleftherios

doi:10.3892/mi.2022.60

Uncommon and atypical meningiomas and imaging variants: A report of 7 cases

Authors:
- George Fotakopoulos
- Vasiliki Tsolaki
- Aikaterini Aravantinou-Fatorou
- Vasiliki Epameinondas Georgakopoulou
- Demetrios A. Spandidos
- Petros Papalexis
- Kyriakos Tarantinos
- Nikolaos Trakas
- Pagona Sklapani
- Nikolaos Mathioudakis
- Serafeim Chlapoutakis
- Eleftherios Lavdas
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Affiliations: Department of Neurosurgery, General University Hospital of Larisa, 41221 Larisa, Greece, Department of Pulmonary and Critical Care Medicine, General University Hospital of Larisa, 41221 Larisa, Greece, First Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece, Department of Infectious Diseases and COVID‑19 Unit, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece, Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece, Unit of Endocrinology, First Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece, First Department of Pulmonology, Sismanogleio Hospital, 15126 Athens, Greece, Department of Biochemistry, Sismanogleio Hospital, 15126 Athens, Greece, Department of Cytology, Mitera Hospital, 15123 Athens, Greece, Renal Transplantation Unit, Laiko General Hospital, 11527 Athens, Greece, Department of Thoracic Surgery, Agios Savvas Hospital, 11522 Athens, Greece, Department of Medical Radiological Technologists, University of West Attica, 12243 Athens, Greece
Published online on: November 15, 2022 https://doi.org/10.3892/mi.2022.60
Article Number: 35
Copyright: © Fotakopoulos et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Meningiomas constitute the most common extra‑axial tumor of the central nervous system and can have a wide‑ranging manifestation of imaging. There are several types of unusual depictions depicted with the magnetic resonance imaging (MRI) of meningiomas that have been established thus far. It is thus crucial for the reporting radiologist or neurosurgeon to have an in‑depth knowledge of their variable manifestations in order to be able to differentiate these neoplasms from the numerous tumors that can mimic their appearance. Meningioma is frequently challenging to diagnose when imaging variants are present. Nevertheless, a number of unusual histological variants have imaging or clinical features which are related to typical meningiomas and, in numerous cases, these require specific surgical management. The present study describes 7 cases of meningiomas, which were either simple atypical, unusual gigantic extracranial intracranial parasagittal, or not visible meningiomas. These uncommon and atypical imaging variants of meningiomas are described herein in an aim to underline their various potential presentations.

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