Posters

Proptosis secondary to an orbital hydatid cyst: a case report

Poster Details

First Author: I.Rafik MOROCCO

Co Author(s): M. Yassine   A. Redouan   M. Khalifi   L. Elmaaloum   B. Allali   A. Elkettani     

Abstract Details

Purpose:

Hydatid cyst is a rare parasitic infection that involved all organs. Hydatid cyst of the head and neck is a very rare condition,We present a case of primary orbital hydatid cyst, revealed by proptosis.

Setting:

ophthalmology department, 20 August Hospital, Ibn Rochd University Faculty of Medicine and Pharmacy-Hassan II University Casablanca, Morocco

Methods:

A 32 year old man patient presented with unilateral progressive proptosis of the right eye and diplopia. Proptosis was nonpulsatile and nonpainful. His visual acuity was 10/10 in both eyes. Fundoscopic examination indicated that the optic disc of the right eye was mild pale whereas the left one was normal. There were no any other abnormalities in his systemic examination.

Results:

computed tomographic (CT) scan revealed retro-orbital, well-delineated, cystic mass. Magnetic resonance imaging (MRI) images revealed a lesion with low signal intensity on T1-weighted images and high signal intensity on T2-weighted images, which displaced the optic nerve and the globe. Chest radiography and abdominal ultrasonography showed no hydatid cyst. The cyst was enucleated. Histopathological examination confirmed the diagnosis of hydatid cyst. The postoperative period was uneventful. Proptosis was completely resolved after surgery.

Conclusions:

Orbital hydatid cyst is a rare cause of proptosis, it should be evoked in case of tumorous proptosis, especially in patients lived in endemic zones. The preoperative diagnosis is based on clinical findings, computed tomographic and magnetic resonance imaging findings. surgical excision is the  treatment of choice.

Financial Disclosure:

None