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  • Title: Immunohistochemistry of gross cystic disease fluid protein (GCDFP-15) in 65 benign sweat gland tumors of the skin.
    Author: Mazoujian G, Margolis R.
    Journal: Am J Dermatopathol; 1988 Feb; 10(1):28-35. PubMed ID: 2459984.
    Abstract:
    Sixty-five cases of benign sweat gland tumors of the skin were studied for the expression and localization of gross cystic disease fluid protein-15 (GCDFP-15) by immunoperoxidase methods. There was positive staining of tumors of probable apocrine differentiation in 10 of 11 cases of apocrine hidrocystoma and five of five cases of hidradenoma papilliferum. There was no immunoreactivity for GCDFP-15 for tumors of probable eccrine differentiation, including five cases of eccrine hidrocystoma, five cases of eccrine poroma, five cases of eccrine spiradenoma, 10 cases of clear cell hidradenoma, and nine cases of syringoma. There was variable positive staining of tumors of more uncertain histogenesis, including eight of eight cases of syringocystadenoma papilliferum, one of four cases of cylindroma, and two of two cases of chondroid syringoma (mixed tumor). The above data support a functional differentiation of the expression of GCDFP-15 by eccrine compared to apocrine glandular epithelium with benign tumor development.
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