Korean J Otorhinolaryngol-Head Neck Surg.
2008 Apr;51(4):405-407.
A Case of Hyperkeratotic Seborrheic Keratosis of the External Auditory Canal
- Affiliations
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- 1Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea. logopas@chol.com
- 2Department of Pathology, College of Medicine, Pochon CHA University, Bundang CHA Hospital, Seongnam, Korea.
Abstract
- A seborrheic keratosis is a very common benign lesion of the skin in elderly people. However, the incidence of seborrheic keratosis in the external auditory canal is very rare and there have been only a few reports of it in the literature. We have experienced a case of hyperkeratotic seborrheic keratosis of the external auditory canal in a 47-year-old male, who first presented with a dome-like brownish mass with a greasy surface and a bloody discharge from right external auditory canal. Because seborrheic keratosis partly mimics malignant lesions such as basal cell carcinoma and squamous cell carcinoma macroscopically, the correct diagnosis should be required. The biopsy and surgical resection were necessary steps in correct diagnosis and treatment.
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