Merkel cell carcinoma, a case report




Paula B. Lozano, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Luciana Almanza, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Sofía C. Juárez, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Ana L. Gallmann, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Rodrigo Díaz-Alfaro, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
María S. Gómez-Zanni, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Andrés Guidi, Departamento de Anatomía Patológica, Clínica Universitaria Reina Fabiola, Córdoba, Argentina
Mariana B. Papa, Servicio de Dermatología, Clínica Universitaria Reina Fabiola, Córdoba, Argentina


Merkel cell carcinoma is a rare and aggressive skin neoplasm due to its high rate of local recurrence and distant metastasis. It affects older patients or those with a certain degree of immunosuppression. It manifests clinically as a rapidly growing tumor, generally in areas exposed to light. We present the case of a patient with Merkel cell carcinoma located in the left knee who presented a good response to surgical treatment.



Keywords: Merkel cell carcinoma. Skin cancer. Neuroendocrine carcinoma.