Total Endoscopic Ear Surgery in management of cochleocele: A case series.

Abstract Cochleocele is an extrusion or herniation of the endosteum, through an incomplete stapes footplate, into the middle ear. The cochleocele may rupture resulting in a cerebrospinal fluid leak into the middle ear space causing a risk of menigitis. We report six cases of Incomplete Partition Type I with cochleocele which have all been successfully treated using a Totally Endoscopic Ear Surgery approach even during infancy. As the first two cases developed post-operative pseudomonas meningitis, preventative strategies are recommended.