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Vulvar syringomas with deep extension: a potential histopathologic mimic of microcystic adnexal carcinoma.
CMBC-1 Ductal, NOS type 1 0 CMBC-2 Ductal, NOS type 1 0 CMBC-3 Ductal, NOS type 0 0 CMBC-4 Ductal, NOS type 0 0 CMBC-5 Ductal, NOS type 0 0 CMBC-6 Ductal, basal phenotype 0 0 CMBC-7 Ductal, NOS type 1 0 CMBC-8 Ductal, NOS type 0 0 CMBC-9 Ductal, NOS type 0 0 CMBC-10 Ductal, NOS type 1 1 CMBC-11 Ductal, NOS type 0 0 CBMC-12 Ductal, NOS type 0 0 SGC-1 Eccrine carcinoma 1 1 SGC-2 Eccrine carcinoma, ex 0 0 spiradenocylindroma SGC-3 Porocarcinoma 1 1 SGC-4 Porocarcinoma 1 1 SGC-5 Microcystic adnexal carcinoma 1 1 SGC-6 Eccrine carcinoma 1 1 SGC-7 Porocarcinoma 1 1 SGC-8 Microcystic adnexal carcinoma 1 1 SGC-9 Microcystic adnexal carcinoma 1 1 SGC-10 Eccrine carcinoma 1 1 SGC-11 Eccrine carcinoma, ex 0 1 spiradenocylindroma Case ID [CK5.
Recently, some authors have considered syringomatous carcinoma and microcystic adnexal carcinoma to be different tumors,[17] but arguments advanced in favor of such a hypothesis appear unconvincing.
When making a diagnosis of hidradenocarcinoma, the differential diagnosis includes several other tumors, such as lipomas, hemangiomas, lymphangiomas, squamous cell carcinomas, basal cell carcinomas, malignant melanoma, other malignant adnexal carcinomas, and metastatic tumors to the skin.
65) In addition, most primary adnexal carcinomas and their metastases express p63, whereas visceral adenocarcinomas and their cutaneous metastases do not make this stain a useful adjunct to distinguish primary cutaneous adnexal carcinomas from metastatic visceral adenocarcinomas.