eccrine porocarcinoma https://rarediseases.info.nih.gov/diseases/7431/eccrine-porocarcinoma https://www.malacards.org/card/eccrine_porocarcinoma malignant eccrine poroma epidermotropic eccrine carcinoma MESH:D057090 ICDO:8409/3 MONDO:0006189 EFO:1000229 DOID:7566 ONCOTREE:POCA A carcinoma with eccrine differentiation arising from the sweat glands. It may arise de novo or as a malignant transformation of a pre-existing poroma. It usually grows in the legs, buttocks, feet, and trunk and usually presents as an ulcerative plaque. It is characterized by the presence of intraepidermal and dermal nests of malignant epithelial cells. It may recur after excision and metastasize to the lymph nodes and less frequently to distal anatomic sites. UMLS:C1266065 MEDGEN:266098 porocarcinoma/spiroadenocarcinoma porocarcinoma NCIT:C5560 SCTID:254708001 eccrine porocarcinoma of skin GARD:0007431 eccrine porocarcinoma eccrine carcinoma