title: Cytokeratin positivity in fine-needle aspirates of metastatic malignant melanoma: fact or fiction?
authors: P A
authors: PA
authors: Fetsch
authors: F M
authors: FM
authors: Marincola
authors: A
authors: A
authors: Abati
mesh_terms: D001707:Biopsy, Needle; D006801:Humans; D008545:Melanoma / Q000473:pathology / Q000556:secondary*