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  • Title: [Radiotherapy for cutaneous cancers with xeroderma pigmentosum].
    Author: Ben Salah H, Bahri M, Turki H, Abdelmoula M, Frikha M, Daoud J.
    Journal: Cancer Radiother; 2011 Aug; 15(5):400-3. PubMed ID: 21664850.
    Abstract:
    PURPOSE: To analyze the therapeutic results of cutaneous cancers on xeroderma pigmentosum through a series of 15 patients treated by radiotherapy. PATIENTS AND METHODS: Between 1993 and 2006, 15 patients with xeroderma pigmentosum and having cutaneous cancers were treated in the Radiotherapy Department of university hospital Habib-Bourguiba of Sfax in Tunisia. Seventy-three percent of the cases occurred in male patients and the mean age of appearance of the first tumour was 18.2 years. Tumour histology was squamous cell carcinoma in 74% of the cases. The total number of cutaneous tumours was 84. Ten patients had a surgical resection. Four patients did not respond to chemotherapy. The modality of irradiation was decided according to the size, thickness and localization of the tumour. The dose of radiotherapy was 60Gy or equivalent with classic irradiation. RESULTS: The total number of lesions treated with radiotherapy was 64. Forty-three lesions were treated with contact therapy, ten with brachytherapy and 11 with cobalt therapy. The following acute complications were observed: cutaneous infection (53.3% of patients), radioepithelite (80% of patients) and necroses (33.3% of patients). Evaluation after treatment showed a clinical complete remission in 73% of the cases. Late effects were noted in seven cases: telangiectasy and cutaneous atrophy. A recurrence in the irradiated zone was observed in one case. A nodal metastasis was observed in two cases. Another patient presented lung metastases. After a median follow up of 37.2 months, four patients died, seven are alive with cutaneous cancer and four are alive with complete remission. CONCLUSION: Radiotherapy is a possible and effective therapeutic alternative. Dose and methods are not defined for xeroderma pigmentosum.
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