Advancing Cholesteatoma Secondary to Acquired Atresia of the External Auditory Canal: Clinical PerspectivesCorrespondence Address :
Dr. Mainak Dutta,
Department of Otorhinolaryngology and Head-Neck Surgery Medical College and Hospital,
88, College Street, West Bengal-700073, Kolkata, India.
Acquired atresia of External Auditory Canal (EAC) is seldom encountered in routine otolaryngology practice. Apart from resulting in moderate-to-severe conductive hearing impairment, it is a potentially dreaded condition which might lead to canal cholesteatoma. Suspected to develop as a consequence of a pre-existing chronic otitis externa/media, the EAC atresia leads to proximal (medial) accumulation of desquamated epithelium and denatured keratin (the canal cholesteatoma) that further leads to aggravation of the chronic otitis, thereby initiating a vicious cycle. The canal cholesteatoma might progress unhindered into the middle ear and mastoid cavity, with its characteristic bone-eroding property, producing complications. A high index of clinical suspicion along with proper imaging are therefore essential to apprehend the disease progression in a patient presenting with an apparently innocuous EAC stenosis/atresia. In this report, we illustrate the clinical details of a young girl with unilateral acquired EAC atresia where canal cholesteatoma had turned extensive, invaded the middle ear cleft, and produced a post-aural fistula, thereby establishing one of the extreme outcomes of chronic otitis.
Canal atresia, Canal cholesteatoma, Chronic otitis, Complications, Post-aural fistula
Arijit Jotdar, Mainak Dutta, Sohag Kundu, Subrata Mukhopadhyay. ADVANCING CHOLESTEATOMA SECONDARY TO ACQUIRED ATRESIA OF THE EXTERNAL AUDITORY CANAL: CLINICAL PERSPECTIVES. Journal of Clinical and Diagnostic Research [serial online] 2017 August [cited: 2017 Aug 18 ]; 11:MD01-MD03. Available from
Date of Submission: Apr 21, 2017
Date of Peer Review: May 18, 2017
Date of Acceptance: May 29, 2017
Date of Publishing: Aug 01, 2017
FINANCIAL OR OTHER COMPETING INTERESTS: None.
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