J Korean Soc Plast Reconstr Surg.  2006 Jul;33(4):506-509.

Clinical Experience of Cutaneous Squamous Cell Carcinoma Arising in Keratoacanthoma

Affiliations
  • 1Department of Plastic and Reconstructive Surgery, Ajou University School of Medicine, Suwon, Korea. growhand@hanmail.net

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 0.5-1.5cm 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.

Keyword

Keratoacanthoma; Squamous cell carcinoma

MeSH Terms

Biopsy
Carcinoma, Squamous Cell*
Female
Humans
Keratoacanthoma*
Middle Aged
Nose
Skin
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