Table 1.

Pathological report from the initial biopsy for eight cases with an eventual definitive eccrine porocarcinoma diagnosis.

Patient	Primary Lesion Size (mm)	Diagnosis after Initial Biopsy
#1	65	Excisional biopsy as initial treatment
#2	50	Ulcerated basal cell carcinoma
#3	35	Ulcerated epithelial neoplasm suggestive of porocarcinoma
#4	50	Round cell undifferentiated neoplasm
#5	20	Clear cytoplasm cell carcinoma (suggestive of porocarcinoma)
#6	10	Adnexal skin carcinoma (suggestive of porocarcinoma)
#7	100	Malignant eccrine poroma
#8	60	Squamous cell carcinoma – invasive clear-cell variant