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Isolated Intraconal Meningioma.

Authors :
Rajabi, Mohammad Taher
Cheraqpour, Kasra
Mohammadi, S. Saeed
Veshagh, Mohammad
Lazarjani, Seyedeh Zahra Poursayed
Hosseinzadeh, Farideh
Amoli, Fahimeh Asadi
Hosseini, Simindokht
Source :
Journal of Ophthalmic & Vision Research; Oct-Dec2021, Vol. 16 Issue 4, p682-687, 6p
Publication Year :
2021

Abstract

Purpose: To report a rare case of isolated intraconal meningioma. Case Report: A 24-year-old woman presented with painless proptosis in her left eye which started and progressed during her pregnancy about 10 months ago. Hertel exophthalomometry revealed anterior displacement of the globe with 4 mm of proptosis which was remarkable. Magnetic resonance imaging (MRI) demonstrated an intraconal circumscribed oval-shaped mass with hypointense signals on T1-weighted images and hyperintense signals on T2-weighted images, mimicking cavernous hemangioma. This mass, however, was free of any connections to optic nerve or bones. Due to the imaging characteristics, more prevalent diagnoses like cavernous hemangioma were placed on the top of the differential diagnoses list. However, during the surgical excision, the tumor's consistency and gross features were not compatible with cavernous hemangioma. The pathologic findings instead determined meningotheliomatous meningioma, a very rare condition, which was far from our expectations prior to the surgery. Conclusion: Ectopic orbital meningiomas are rare tumors that are not easily diagnosed without postoperative histopathology. Despite its low prevalence, they should be considered in the differential diagnosis list of intraconal masses with hypointense signals on T1-weighted images and hyperintense signals on T2-weighted images. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
20082010
Volume :
16
Issue :
4
Database :
Complementary Index
Journal :
Journal of Ophthalmic & Vision Research
Publication Type :
Academic Journal
Accession number :
153525250
Full Text :
https://doi.org/10.18502/jovr.v16i4.9759