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Atypical keratosis obturans.
Ricardo Persaud1, Paul Chatrath, Anthony Cheesman
1Department of Otolaryngology, Head and Neck Surgery, St Bartholomew's and The Royal London Hospitals, Gray's Inn Road, London, UK. RandM.Persaud@ukgateway.net
The Journal of Laryngology and Otology
|October 17, 2003
Summary
Keratosis obturans, a rare external auditory canal condition, typically causes ear pain and hearing loss. This case presented unusually with a metallic taste and facial nerve exposure due to extensive erosion.
Area of Science:
- Otolaryngology
- Neurosurgery
Background:
- Keratosis obturans involves keratin accumulation in the external auditory canal.
- Classical symptoms include severe otalgia, conductive deafness, and canal widening.
Observation:
- A rare case of keratosis obturans presented with a metallic taste as the primary symptom.
- Imaging revealed extensive hypotympanum erosion, exposing the facial nerve and tympanic annulus.
Findings:
- The presenting metallic taste and erosion pattern are atypical for keratosis obturans.
- This specific clinical presentation and bone resorption pattern have not been previously documented.
Implications:
- Highlights the importance of considering atypical presentations in diagnosing rare conditions.
- Suggests potential for novel diagnostic or therapeutic approaches for keratosis obturans.
- Underscores the need for further research into the pathophysiology of unusual keratosis obturans cases.