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KMID : 0363220120500080726
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Korean Journal of Dermatology
2012 Volume.50 No. 8 p.726 ~ p.729
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A Case of a Trichilemmal Cyst of the Sole
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Shin Ji-Yeon
Lee Ji-Hyun
Kim Si-Yong
Kim Gyong-Moon
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Abstract
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Trichilemmal cyst is a common, benign, cutaneous tumor, which originates from the external root sheath. It usually occurs on the scalp of middle-aged women. It is rarely found on the face, neck, trunk and extremities. A 33-year-old male presented with a tender, skin-colored, hyperkeratotic, subcutaneous nodule on the right sole for 6 months, without any history of trauma. We clinically diagnosed this skin lesion as a callus. The histopathologic examination showed a well demarcated cystic mass that is lined by a stratified squamous epithelium, without granular layers, and is filled with eosinophilic, amorphous, and homogeneous keratins. The patient was diagnosed with a trichilemmal cyst. Herein, we report a case of trichilemmal cyst of unusual predilection site.
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KEYWORD
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Sole, Trichilemmal cyst
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