Eccrine porocarcinoma (malignant eccrine poroma): a clinicopathologic study of 69 cases

A Robson, J Greene, N Ansari, B Kim… - The American journal …, 2001 - journals.lww.com
The clinicopathologic characteristics of 69 cases of eccrine porocarcinoma (EP) have been
studied. Seven cases of purely in situ disease are included. Forty patients were female, 29
male with ages ranging from 29 to 91 years (mean 73 years). The lower extremity
represented the single most common site (44%). Other common sites were the trunk (15
cases, 24%) and head (11 cases, 18%). The histologic diagnosis of EP was predicated on
the basis of an irregular tumor at least partly formed of characteristic poromatous basaloid …