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Taher Rajabi M, Cheraqpour K, Mohammadi SS, Veshagh M, Zahra Poursayed Lazarjani S, Hosseinzadeh F, Asadi Amoli F, Hosseini S. Isolated Intraconal Meningioma. JOVR [Internet]. 2021Oct.25 [cited 2024Apr.26];16(4):682–687. Available from: https://knepublishing.com/index.php/JOVR/article/view/9759

https://doi.org/10.18502/jovr.v16i4.9759

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authors

  • Mohammad Taher Rajabi

    Mohammad Taher Rajabi

    Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
  • Kasra Cheraqpour

    Kasra Cheraqpour

    Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
  • S. Saeed Mohammadi

    S. Saeed Mohammadi

    Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
  • Mohammad Veshagh

    Mohammad Veshagh

    Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  • Seyedeh Zahra Poursayed Lazarjani

    Seyedeh Zahra Poursayed Lazarjani

    Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
    https://orcid.org/0000-0003-4560-9787
  • Farideh Hosseinzadeh

    Farideh Hosseinzadeh

    ENT and Head & Neck Research Center, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
  • Fahimeh Asadi Amoli

    Fahimeh Asadi Amoli

    Pathology Department, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
  • Simindokht Hosseini

    Simindokht Hosseini

    Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran

Published Date

  • Oct 25, 2021
This journal is publishing all the articles under Creative Commons Attribution License CC BY 4.0.

Isolated Intraconal Meningioma

Journal of Ophthalmic and Vision Research (JOVR) / October–December 2021, Volume 16, Issue 4 / Pages 682–687

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.

Keywords:

Ectopic Meningioma, Intraconal Meningioma, Orbital Meningioma, Primary Meningioma

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