title: [A case of advanced oral squamous cell carcinoma responding to concurrent radiotherapy with S-1].
abstract: A 68-year-old patient with advanced oral squamous cell carcinoma (T3N2bM0, Stage IVA) was treated by concurrent radiotherapy with S-1.S-1 (120 mg/body/day) was orally administered for 4 weeks followed by a 2-week rest period as one course, and radiation was given (1.8 Gy/day; 5 days/week) for a total of 61.2 Gy. After 61.2 Gy radiation and two courses of S-1, the primary region showed a complete response (CR), and that the tumor cell was not identified as a result of biopsy. In addition, the metastatic lymph nodes in the neck were no longer seen on head and neck computed tomography (CT). Although the patient is still taking UFT, he is well with no signs of recurrence 27 months from the initial treatment.
authors.affiliation: Dept. of Therapeutic Regulation for Oral Tumors, Graduate School of Health and Bioscience, Tokushima University.
authors.forename: Koji
authors.initials: K
authors.lastname: Harada
authors.forename: Yuichiro
authors.initials: Y
authors.lastname: Kawashima
authors.forename: Daisuke
authors.initials: D
authors.lastname: Uchida
authors.forename: Hideo
authors.initials: H
authors.lastname: Yoshida
mesh_terms: D000368:Aged; D000964:Antimetabolites, Antineoplastic / Q000627:therapeutic use*; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy* / Q000532:radiotherapy* / Q000556:secondary; D003131:Combined Modality Therapy; D004334:Drug Administration Schedule; D004338:Drug Combinations; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D008297:Male; D009062:Mouth Neoplasms / Q000188:drug therapy* / Q000473:pathology / Q000532:radiotherapy*; D010094:Oxonic Acid / Q000627:therapeutic use*; D011879:Radiotherapy Dosage; D012074:Remission Induction; D005641:Tegafur / Q000627:therapeutic use*
chemical_list: D000964:Antimetabolites, Antineoplastic; D004338:Drug Combinations; C079198:S 1 (combination); D005641:Tegafur; D010094:Oxonic Acid