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Rev. esp. patol ; 48(1): 52-56, ene.-mar. 2015. tab, ilus
Article in Spanish | IBECS | ID: ibc-132468

ABSTRACT

El porocarcinoma es un tumor maligno infrecuente, habitualmente originado sobre un poroma de larga evolución. Normalmente se localiza en extremidades inferiores, cabeza y cuello, en la sexta y séptima décadas de la vida. Debido a la escasa cantidad de casos documentados, realizamos un estudio retrospectivo durante 12 años consecutivos entre los diagnósticos registrados en la base de datos de nuestro Servicio de Anatomía Patológica. Recogimos 6 casos de dicho tumor sobre un total de unas 33.000 biopsias de piel, y analizamos sus características clínicas e histopatológicas. Observamos una incidencia 4 veces superior a la descrita en otros estudios, predominio en mujeres, y una media de edad y tamaño tumoral superiores. Su presentación clínica variada, larga evolución asintomática, y sus características arquitecturales, citológicas e inmunohistoquímicas, sí son concordantes con la literatura previa (AU)


Porocarcinoma is a rare malignant sweat gland tumour, usually developing from a long standing poroma. It is frequently found on the lower extremities or head and neck, and most cases occur in elderly patients. Due to the limited infrequency of documented cases, we performed a retrospective study over 12 consecutive years from the database of our department of pathology. We collected 6 cases of this tumour from a total of 33,000 skin biopsies and reviewed the main clinical and histopathological findings. In comparison to previous studies, we found a 4-times-higher incidence of porocarcinoma, female predominance, a higher average age and a larger tumour size. However, their diverse clinical presentation, longstanding asymptomatic evolution, morphological features and immunohistochemical profile are consistent with previous literature (AU)


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Aged, 80 and over , Eccrine Porocarcinoma/complications , Eccrine Porocarcinoma/diagnosis , Eccrine Porocarcinoma/pathology , Immunohistochemistry/methods , Immunohistochemistry/standards , Immunohistochemistry , Diagnosis, Differential , Prognosis , Retrospective Studies , Poroma/complications , Poroma/diagnosis , Poroma/pathology , Carcinoma/pathology , Neoplasms, Glandular and Epithelial/pathology , Necrosis/complications , Necrosis/pathology
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