INTRODUCTION: Keratoacanthomas are cutaneous neoplasms known for their rapid growth and spontaneous regression over a long time period. Their treatment can be difficult because of the potentially large field size and number of lesions. Intralesional methotrexate constitutes an effective, nonsurgical treatment of keratoacanthomas, as proven by our experience. METHODS: We treated 11 elderly patients affected by keratoacanthoma with intralesional methotrexate. The injections were performed weekly, followed by 10 mg of folic acid to be taken 24 h later. RESULTS: All our patients underwent complete resolution of the lesions after 4-8 injections, without side effects. CONCLUSION: Intralesional methotrexate seems to be an effective and safe nonoperative treatment modality for keratoacanthoma, especially when it arises in anatomic areas difficult to treat with surgery, in elderly debilitated patients, and in those refusing surgery.

Intralesional Methotrexate for the Treatment of Keratoacanthoma: The Neapolitan Experience

Scalvenzi, Massimiliano;Patrì, Angela;Costa, Claudia;Megna, Matteo;Napolitano, Maddalena;Fabbrocini, Gabriella;Balato, Nicola
2019

Abstract

INTRODUCTION: Keratoacanthomas are cutaneous neoplasms known for their rapid growth and spontaneous regression over a long time period. Their treatment can be difficult because of the potentially large field size and number of lesions. Intralesional methotrexate constitutes an effective, nonsurgical treatment of keratoacanthomas, as proven by our experience. METHODS: We treated 11 elderly patients affected by keratoacanthoma with intralesional methotrexate. The injections were performed weekly, followed by 10 mg of folic acid to be taken 24 h later. RESULTS: All our patients underwent complete resolution of the lesions after 4-8 injections, without side effects. CONCLUSION: Intralesional methotrexate seems to be an effective and safe nonoperative treatment modality for keratoacanthoma, especially when it arises in anatomic areas difficult to treat with surgery, in elderly debilitated patients, and in those refusing surgery.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/741321
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