Transmutation of Sweat Glands - Eccrine Porocarcinoma

Initially described by Pinkus and Mehregan in 1963 as an epidermotropic eccrine carcinoma, eccrine porocarcinoma cogitates an exceptional sweat gland malignancy. Eccrine porocarcinoma was adapted as a nomenclature by Mishisma and Morikoin in 1969. The neoplasm is a malignant analogue of eccrine poroma which is a benign tumour of intra-dermal sweat glands. Eccrine porocarcinoma is an invasive malignancy of eccrine sweat gland with an acrosyringial genesis. Nomenclature includes epidermotropic eccrine carcinoma, eccrine poroepithelioma, malignant hidroacanthoma simplex, malignant intra-epidermal eccrine poroma, malignant eccrine poroma, malignant syringoacanthoma and dysplastic poroma (1,2). Sweat gland carcinoma are categorized into subgroups with the classical eccrine porocarcinoma or eccrine adenocarcinoma as a prevalent subcategory. Lesions are enlisted as Classic type eccrine adenocarcinoma ( eccrine porocarcinoma). Syringoid eccrine carcinoma Microcystic adnexal carcinoma Mucinous eccrine carcinoma Muco-epidermoid carcinoma Adenoid cystic carcinoma Aggressive digital papillary adenoma/adenocarcinoma