title: Occult contralateral congenital cholesteatoma: is the epidermoid formation theory enough?
abstract: Bilateral congenital cholesteatomas are rare entities. Nine cases have been previously described in the literature. Many different etiologies for the development of congenital cholesteatoma have been proposed. The case of a five-year-old boy with bilateral congenital cholesteatoma is discussed. A lesion of the left ear was apparent clinically. However, the right-sided lesion was silent and was demonstrated only by radiologic exam. Theories of pathogenesis are reviewed.
authors.affiliation: Department of Otolaryngology and Bronchoesophagology, Temple University Children's Medical Center, Philadelphia, PA 19140, USA. dmueller@ent.temple.edu
authors.forename: Darryl T
authors.initials: DT
authors.lastname: Mueller
authors.forename: Eric L
authors.initials: EL
authors.lastname: Schwetschenau
authors.forename: Glenn
authors.initials: G
authors.lastname: Isaacson
mesh_terms: D002675:Child, Preschool; D002781:Cholesteatoma / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D018424:Cholesteatoma, Middle Ear / Q000151:congenital / Q000000981:diagnostic imaging / Q000601:surgery; D004432:Ear, Middle / Q000601:surgery*; D004724:Endoscopy; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008416:Mastoid / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D008962:Models, Theoretical; D014057:Tomography, X-Ray Computed