Ancillary immunohistochemical and molecular testing in the classification of cutaneous sweat gland/duct neoplasms: A validation study with emphasis on histomorphologic correlation and pathological diagnosis

A. Nguyen, Emma F. Johnson, Michael Camilleri, Carilyn N. Wieland, Julia S. Lehman, Shruti Agrawal, Nneka I. Comfere, Numrah Fadra, Ryan A. Knudson, Patricia T. Greipp, Kevin C. Halling, Ruifeng Guo