Miosite orbitária numa crian？a

background: orbital inflammatory disease is characterized by an inflammatory process of unknown etiology, which may affect any structure of the orbit. we describe a case report of inflammation of the extraocular muscles (orbital myositis). case report: a previously healthy nine year-old male, with negative paste medical history, presented with right eye pain and homolateral eyelid swelling of sudden onset. on physical examination there was proptosis, eyelid edema with moderate local redness, and diplopia with limitation in the elevation of the eyelid and of abduction and elevation of the eye. the investigation suggested the diagnosis of orbital myositis. intravenous corticosteroid therapy was started with clinical improvement. discussion: this case report reports a rare, usually benign, entity in children, which if not early recognized and treated may cause persistent eye motility dysfunction.