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Penoscrotal Extramammary Paget’s Disease: A Review of 33 Cases in a 20-Year Experience

Lai, Yung-Lung M.D.; Yang, Wen-Guei M.D.; Tsay, Pei-Kwei Ph.D.; Swei, Hsueh M.D.; Chuang, Shiow-Shuh M.D.; Wen, Chou-Jin M.D.

doi: 10.1097/01.PRS.0000076193.67701.6A
Original Articles

Extramammary Paget’s disease in men most frequently involves the penoscrotal area. The uncertainty of the outcome and of the relationship to the underlying adnexal carcinoma and associated internal malignancy still exists. From 1982 to 2001, 33 patients with penoscrotal extramammary Paget’s disease were treated and followed up. Therapeutic modalities included carbon dioxide laser ablation (two patients) and local wide excision (31 patients). Split-thickness skin graft (22 patients), local scrotal flap (six patients), and primary closure (three patients) were utilized to reconstruct the penoscrotal defects after local wide excision. An underlying adnexal carcinoma occurred in seven of 33 patients (21.2 percent). The incidence of associated internal malignancy was 9.1 percent (three of 33 patients), including one concurrently and two nonconcurrently associated malignancies. Eight of 33 patients had local recurrence, representing an incidence of 24.2 percent. Three patients (9.1 percent) had distant metastasis and ultimately died of metastatic carcinoma. Of these patients, 31 were grouped according to the degrees of involvement: limited to the epidermis (group 1, n = 14), involvement of the adnexal gland and/or hair follicle (group 2, n = 10), and the presence of an underlying adnexal carcinoma (group 3, n = 7). Local wide excision with subsequent reconstruction by split-thickness skin graft was favored in this series. Patients with an underlying adnexal carcinoma or pathological invasion of the dermis (group 2 or 3) had a worse prognosis than patients without. From this study, it is difficult to address the particular relationship between the outcome and the associated internal malignancy.

Taoyuan, Taiwan

From the Departments of Plastic and Reconstructive Surgery and Pathology and Center of Biostatistics, Chang Gung Memorial Hospital, Chang Gung University.

Received for publication February 12, 2002;

revised November 20, 2002.

Yung-Lung Lai, M.D.

Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, 5, Fu-Shing St., Kweishan 333, Taoyuan, Taiwan

plasyang@yahoo.com.tw

©2003American Society of Plastic Surgeons