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Clinical Experience of Cutaneous Squamous Cell Carcinoma Arising in Keratoacanthoma  

Shin, Seung Jun (Department of Plastic and Reconstructive Surgery, Ajou University School of Medicine)
Park, Dong Ha (Department of Plastic and Reconstructive Surgery, Ajou University School of Medicine)
Publication Information
Archives of Plastic Surgery / v.33, no.4, 2006 , pp. 506-509 More about this Journal
Abstract
Purpose: The cutaneous squamous cell carcinoma is the second most common skin malignancy. It is noted that keratoacanthoma is difficult to differentiate from squamous cell carcinoma, clinically or historically. It is still a hypothetical question whether keratoacanthoma is a pseudomalignancy or a form of squamous cell carcinoma. Methods: We report the case of squamous cell carcinoma around left ala of nose in a 64-year-old female patient. Through an incisional biopsy, the mass was found to be keratoacanthoma in the pathologic report. An excisional biopsy was performed. Results: Pathologic report notified that it was found well-differentiated squamous cell carcinoma arising in keratoacanthoma with focal involvement of deep resection margin. Wide excision was made with 0.5-1.5 cm margin and immediate reconstruction was performed. Conclusion: The relationship between keratoacanthoma and squamous cell carcinoma has been debated in the treatment. It is still controversial whether to excise it or not. We concluded that kerathoacanthoma must be removed completely.
Keywords
Keratoacanthoma; Squamous cell carcinoma;
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