title: Metastatic cutaneous carcinosarcoma to the tongue.
abstract: Carcinosarcoma is a rare malignant tumour composed of a mixture of carcinomatous and sarcomatous elements. Carcinosarcoma metastatic to the tongue is extremely rare. An 84-year-old woman presented with a rapidly growing mass on the tongue. She had a history of surgery for carcinosarcoma of the occipital skin 9 months before. An excisional biopsy of the tongue mass was performed, and the lesion was histopathologically diagnosed as carcinosarcoma. PET after diagnosis showed multiple hot uptakes in the whole body. The patient died of the disease 2 months after diagnosis. Therapies for patients with metastatic malignant tumours to the oral cavity are difficult, especially in aggressive case such as this. To the authors' knowledge, this is the first case of metastatic carcinosarcoma to the tongue.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka, Japan. ntanaka@dent.osaka-u.ac.jp
authors.forename: N
authors.initials: N
authors.lastname: Tanaka
authors.forename: S
authors.initials: S
authors.lastname: Hidaka
authors.forename: M
authors.initials: M
authors.lastname: Yamamura
authors.forename: H
authors.initials: H
authors.lastname: Ohyama
authors.forename: M
authors.initials: M
authors.lastname: Urade
mesh_terms: D000199:Actins / Q000032:analysis; D000368:Aged; D001706:Biopsy; D002296:Carcinosarcoma / Q000473:pathology / Q000556:secondary*; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D053554:Keratin-20 / Q000032:analysis; D007633:Keratins / Q000032:analysis; D010751:Phosphopyruvate Hydratase / Q000032:analysis; D049268:Positron-Emission Tomography; D012535:Scalp / Q000473:pathology; D012878:Skin Neoplasms / Q000473:pathology*; D014062:Tongue Neoplasms / Q000556:secondary*; D014746:Vimentin / Q000032:analysis
chemical_list: D000199:Actins; D053554:Keratin-20; D014746:Vimentin; D007633:Keratins; D010751:Phosphopyruvate Hydratase