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KMID : 0361020230660050331
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Korean Journal of Otolaryngology - Head and Neck Surgery
2023 Volume.66 No. 5 p.331 ~ p.334
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A Case of Seborrheic Keratosis of Cavum Concha
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Hong Seong-Eun
Kim Brian
Kong Joon-Seog
Ahn Jung-Min
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Abstract
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Seborrheic keratosis is a common type of epidermal tumor caused by benign proliferation ofimmature keratinocytes. They usually appear as well-demarcated, slightly raised brownishpatches or plaques. They are typically slow-growing, can increase in thickness over time, andrarely resolved spontaneously. Seborrheic keratosis is frequently found on sun-exposed skinsurfaces such as the trunk, extremities, head and neck of elderly people. However, it is rare tofind these lesions in the auricle or external auditory canal. In addition, seborrheic keratosis isoften distinguished as a benign tumor, but there can be some morphological overlap with oth-er malignant skin lesions. Herein, we report, along with a literature review, a case of seborrhe-ic keratosis in a patient who presented with a mass in the left cavum concha with a sudden in-crease in size.
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KEYWORD
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Ear auricle, Seborrheic keratosis, Skin
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