_:vb50950493 . _:vb50950493 . _:vb50950493 "url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4236999/"^^ . _:vb50950493 . _:vb50950493 . _:vb50950493 . _:vb50950493 "A vulvar benign neoplasm that derives_from epithelial-mesenchymal origin cells. It is characterized by branching nests of basaloid cells, horn cysts, and abortive hair papillae. The tumors represent benign hamartomas of the pilosebaceous apparatus."^^ .