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Case Reports in Otolaryngology
Volume 2015, Article ID 187187, 3 pages
http://dx.doi.org/10.1155/2015/187187
Case Report

Noncholesteatomatous Cyst of the Tympanic Membrane: A Nonpublished Entity?

1Otorhinolaryngology Department, “Puerta de Hierro” University Hospital, “Universidad Autónoma de Madrid”, 28222 Madrid, Spain
2Pathology Department, “Puerta de Hierro” University Hospital, “Universidad Autónoma de Madrid”, 28222 Madrid, Spain

Received 3 March 2015; Revised 24 August 2015; Accepted 26 August 2015

Academic Editor: Chung-Feng Hwang

Copyright © 2015 Rafael Ramírez-Camacho et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Introduction. The presence of a serous cyst in the tympanic membrane implies the description of a new or unpublished entity based on our knowledge whose origin may be very unlikely explained on actual embryologic and anatomic background. Clinical Case. We present a case of a 45-year-old woman with progressing right hearing loss. Physical examination revealed a whitish, round-shaped malformation in the posterior-inferior quadrant of the right tympanic membrane. The cyst was removed with a transcanal tympanoplasty. Discussion. A thorough PubMed search that involved the terms tympanic membrane gland, epithelial inclusion cysts, mucous-secreting cyst, and tympanic cyst has shown no positive results. The first description of an unknown entity, such as a tympanic membrane serous cyst, may be the key for clinicians to start paying attention to patients who suffer from similar pathologies and may pass unnoticed because of their rarity or peculiarity.