title: Primary cutaneous histiocytic sarcoma presenting as a keratotic lesion on the thumb.
authors.affiliation: Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan.
authors.forename: Kaori
authors.initials: K
authors.lastname: Nakamura
authors.affiliation: Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan.
authors.forename: Katsuhiro
authors.initials: K
authors.lastname: Hitomi
authors.affiliation: Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan.
authors.forename: Yuichi
authors.initials: Y
authors.lastname: Teraki
mesh_terms: D005260:Female; D054747:Histiocytic Sarcoma / Q000473:pathology*; D006801:Humans; D007642:Keratosis; D008875:Middle Aged; D012878:Skin Neoplasms / Q000473:pathology*; D013933:Thumb / Q000473:pathology*