Isolated Intraconal Meningioma

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 wi...

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Autores principales:	Mohammad Taher Rajabi, Kasra Cheraqpour, S. Saeed Mohammadi, Mohammad Veshagh, Seyedeh Zahra Poursayed Lazarjani, Farideh Hosseinzadeh, Fahimeh Asadi Amoli, Simindokht Hosseini
Formato:	article
Lenguaje:	EN
Publicado:	Knowledge E 2021
Materias:	ectopic meningioma intraconal meningioma orbital meningioma primary meningioma Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/d697523301904101a03daa11580fdfe8
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spelling	oai:doaj.org-article:d697523301904101a03daa11580fdfe82021-11-09T08:05:35ZIsolated Intraconal Meningioma2008-20102008-322X10.18502/jovr.v16i4.9759https://doaj.org/article/d697523301904101a03daa11580fdfe82021-10-01T00:00:00Zhttps://doi.org/10.18502/jovr.v16i4.9759https://doaj.org/toc/2008-2010https://doaj.org/toc/2008-322XAbstract 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.Mohammad Taher RajabiKasra CheraqpourS. Saeed MohammadiMohammad VeshaghSeyedeh Zahra Poursayed LazarjaniFarideh HosseinzadehFahimeh Asadi AmoliSimindokht HosseiniKnowledge Earticleectopic meningiomaintraconal meningiomaorbital meningiomaprimary meningiomaOphthalmologyRE1-994ENJournal of Ophthalmic & Vision Research, Vol 16, Iss 4, Pp 682-687 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ectopic meningioma intraconal meningioma orbital meningioma primary meningioma Ophthalmology RE1-994
spellingShingle	ectopic meningioma intraconal meningioma orbital meningioma primary meningioma Ophthalmology RE1-994 Mohammad Taher Rajabi Kasra Cheraqpour S. Saeed Mohammadi Mohammad Veshagh Seyedeh Zahra Poursayed Lazarjani Farideh Hosseinzadeh Fahimeh Asadi Amoli Simindokht Hosseini Isolated Intraconal Meningioma
description	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.
format	article
author	Mohammad Taher Rajabi Kasra Cheraqpour S. Saeed Mohammadi Mohammad Veshagh Seyedeh Zahra Poursayed Lazarjani Farideh Hosseinzadeh Fahimeh Asadi Amoli Simindokht Hosseini
author_facet	Mohammad Taher Rajabi Kasra Cheraqpour S. Saeed Mohammadi Mohammad Veshagh Seyedeh Zahra Poursayed Lazarjani Farideh Hosseinzadeh Fahimeh Asadi Amoli Simindokht Hosseini
author_sort	Mohammad Taher Rajabi
title	Isolated Intraconal Meningioma
title_short	Isolated Intraconal Meningioma
title_full	Isolated Intraconal Meningioma
title_fullStr	Isolated Intraconal Meningioma
title_full_unstemmed	Isolated Intraconal Meningioma
title_sort	isolated intraconal meningioma
publisher	Knowledge E
publishDate	2021
url	https://doaj.org/article/d697523301904101a03daa11580fdfe8
work_keys_str_mv	AT mohammadtaherrajabi isolatedintraconalmeningioma AT kasracheraqpour isolatedintraconalmeningioma AT ssaeedmohammadi isolatedintraconalmeningioma AT mohammadveshagh isolatedintraconalmeningioma AT seyedehzahrapoursayedlazarjani isolatedintraconalmeningioma AT faridehhosseinzadeh isolatedintraconalmeningioma AT fahimehasadiamoli isolatedintraconalmeningioma AT simindokhthosseini isolatedintraconalmeningioma
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Isolated Intraconal Meningioma

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