[Bilateral sphenoid sinus mucocele presenting as abducens nerve palsy: case report].

Mucocele is a rare, benign, cystic tumor affecting primarily adults. It arises within the sphenoid sinus and invades the orbit through bony destruction. The most frequent locations are frontal and fronto-ethmoidal; sphenoidal forms are rarer, and bilaterality is exceptionally rare.

[Marcus Gunn Syndrome. Study of 3 rare cases].

Purpose: reporting three rare cases of Marcus Gunn Syndrome and analyzing the clinical features of this entity.

Methods: Case reports of three patients with a Marcus Gunn Syndrome, treated at the Ophthalmology B CHU service Rabat - Morocco.

Results: Our patients are two boys aged 1 and 2 years old, and a 31 year old woman with a Marcus Gunn Syndrome.