title: [Treatment experience of the metastatic renal cell carcinomas to the head and neck region in our department].
abstract: Renal cell carcinoma is the most common cancer known for multiple metastasis, but the frequency of metastasis to the head and neck region is low. We report two cases of metastatic renal cell carcinoma to the head and neck region. The case 1 is a 79 year-old man with renal cell carcinoma treatment six years later. Metastasize to the larynx was found by the chief complaint of hoarseness. After treatment, no recurrence was shown for two years. The case 2 is a 61 year-old woman with renal cell carcinoma treatment two years later. Metastasize to the thyroid was found by the chief complaint of neck discomfort. After treatment, no recurrence was shown for two years and six months. These two cases obtained good control after surgical treatment. Since renal cell carcinoma often metastasized even after a long after treatment, it needs to follow progress over a long time. The possibility of metastasis is considered and a positive biopsy is required. The first choice of medical treatment is excision of a metastatic focus.
authors.affiliation: Department of Otorhinolaryngology, Tokyo Medical University Hachioji Medical Center.
authors.forename: Yasuaki
authors.initials: Y
authors.lastname: Katsube
authors.forename: Kiyoaki
authors.initials: K
authors.lastname: Tsukahara
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Nakamura
authors.forename: Tarou
authors.initials: T
authors.lastname: Inagaki
authors.forename: Masaaki
authors.initials: M
authors.lastname: Shimizu
authors.forename: Fumimasa
authors.initials: F
authors.lastname: Toyomura
authors.forename: Tomoyuki
authors.initials: T
authors.lastname: Yoshida
mesh_terms: D000368:Aged; D002292:Carcinoma, Renal Cell / Q000473:pathology* / Q000628:therapy*; D005260:Female; D005500:Follow-Up Studies; D006258:Head and Neck Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary* / Q000628:therapy*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology* / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome