title: Comment on 'Cytokeratin 20-negative Merkel cell carcinoma is infrequently associated with the Merkel cell polyomavirus'.
authors.affiliation: Division of Molecular Pathology, Department of Pathology, Tottori University Faculty of Medicine, Yonago, Japan.
authors.forename: Takeshi
authors.initials: T
authors.lastname: Iwasaki
authors.affiliation: Division of Molecular Pathology, Department of Pathology, Tottori University Faculty of Medicine, Yonago, Japan.|Department of Pathobiological Science and Technology, School of Health Science, Tottori University Faculty of Medicine, Yonago, Japan.
authors.forename: Michiko
authors.initials: M
authors.lastname: Matsushita
authors.affiliation: Department of Histopathology, The Christie NHS Foundation Trust, Manchester, UK.
authors.forename: Daisuke
authors.initials: D
authors.lastname: Nonaka
authors.affiliation: Division of Molecular Pathology, Department of Pathology, Tottori University Faculty of Medicine, Yonago, Japan.
authors.forename: Ichiro
authors.initials: I
authors.lastname: Murakami
authors.affiliation: Division of Molecular Pathology, Department of Pathology, Tottori University Faculty of Medicine, Yonago, Japan.
authors.forename: Kazuhiko
authors.initials: K
authors.lastname: Hayashi
mesh_terms: D015266:Carcinoma, Merkel Cell / Q000473:pathology*; D005260:Female; D006801:Humans; D053554:Keratin-20 / Q000378:metabolism*; D008297:Male; D059965:Merkel cell polyomavirus; D027601:Polyomavirus Infections / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*; D014412:Tumor Virus Infections / Q000473:pathology*
chemical_list: D053554:Keratin-20