Papillary hidradenoma of the vulva, also know as hidradenoma papilliferum, is an uncommon lesion which occurs in post-pubertal women. Review of the literature yielded no fine-needle aspiration reports of the cytologic features of vulvar papillary hidradenoma. Diagn Cytopathol 1994;10:60-61. (C) 1994 Wiley-Liss, Inc.