Bilateral Orbital Myositis: A Rare Case Report

Case Report

Austin J Clin Ophthalmol. 2023; 10(5): 1159.

Bilateral Orbital Myositis: A Rare Case Report

M Yousfi*; R Chahir; G Daghouj; L Elmaaloum; B Allali; A Elkettani

Department of Pediatric Ophthalmology, Hospital August 20, 1953, Morocco

*Corresponding author: Manal Yousfi Department of Pediatric Ophthalmology, Hospital August 20, 1953, Morocco. Email: manal.yousfi@gmail.com

Received: June 02, 2023 Accepted: June 22, 2023 Published: June 29, 2023

Abstract

The orbital idiopathic myositis is included in the group of orbital inflammatory pseudotumors. It’s an isolated inflammation, unspecific of orbital muscles. This pathology is rare in Children and it is a source of real diagnosis problems. We report the case of a 10-year-old boy who was hospitalized for bilateral painful exophthalmos. We report the case of a 10-year-old boy who was hospitalized for bilateral exophthalmos of abrupt onset, painful, axial, and non reducible with complete ophthalmoplegia of both eyes. The examination showed a retained Visual Acuity (VA) of 10/10 with a normal Fundus Examination (FO) in both eyes. The inflammatory and thyroid work-up are negative. The orbital tomodensitometry revealed a grade I exophtalmitis and a thickening of external and inferior muscles. The corticotherapy leaded to the decline of exophtalmitis andnormalization of eye movements after 1 month of treatment. The etiologic survey was negative, then the diagnosis of idiopathic myositis was kept. The orbital idiopathic myositis stills an eliminating diagnosis. Faced to a child’s exophtalmitis, other differential diagnosis must be excluded by an advanced etiologic survey.

Introduction

Idiopathic Orbital Myositis (IOM) is an inflammatory pathology affecting the oculomotor muscles. This condition is a subgroup of the inflammatory orbitopathies inflammatory orbitopathies, which include any inflammation of the orbit whose etiology is negative. It is a pathology that is rarely described in described in children, although it often poses problems of differential diagnosis with malignant tumors especially in their acute form. Through this observation and the data of the literature, we will try to literature, we will try to identify the mechanisms and the clinical and para clinical, evolutionary and therapeutic particularities of MOI. We report the case of a 10-year-old child who presented with bilateral orbital myositis revealed by a painful exophthalmos associated with ptosis with good functional recovery under corticosteroid therapy

Observation

We report the case of the child A.M., aged 10 years, without any notable pathological history, who presented to the emergency room for a painful bilateral exophthalmos of sudden onset, associated with visual discomfort (Figure 1).