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[Hyperfractionated radiation therapy for head and neck cancers]. 2008

Katsuyuki Karasawa, and Nahoko Hanyu, and Ta-Chen Chang, and Gencho Kuga, and Takuya Kaminuma, and Toshio Mitsuhashi, and Hisao Miyashita
Division of Radiation Oncology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital.

Among various altered fractionation regimens, hyperfractionated radiotherapy (HFRT) has been considered effective to raise survival rate(SR)as well as local control rate(LCR)in head and neck cancers. We reviewed our results of HFRT (117 cases) treated between 1995 and 2004 and compared with those of conventionally fractionated radiotherapy (CFRT; 80 cases) treated during the same period. By disease site, naso-/oro-/hypopharynx/larynx were 5/23/44/45 vs. 10/6/10/54. There were more advanced-stage cases in HFRT group (stage I/II/III/IV = 19/36/23/35 vs. 42/16/8/ 14). Median RT dose were 72 Gy vs. 66 Gy. In 71 cases, chemotherapy was added (HF/CF = 54/17). In stage III and IV cases, there was a borderline significant difference in LCR (at 5 years; 44.3% for HFRT group vs. 24.5% for CFRT group; p = 0.0502), and a tendency in SR(at 5 years; 50.7% for HFRT group vs. 16.7% for CFRT group; p = 0.1210). By disease site, LCR of HFRT group was higher in hypopharynx(p = 0.0005)and oropharynx(p = 0.0003), and SR of HFRT group was higher in hypopharynx(p = 0.0023). Acute toxicity was heavy but in most cases it was tolerable and there were no severe late toxicities. From our data, it was suggested that HFRT might be effective in certain kinds of head and neck cancers.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009367 Neoplasm Staging Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. Cancer Staging,Staging, Neoplasm,Tumor Staging,TNM Classification,TNM Staging,TNM Staging System,Classification, TNM,Classifications, TNM,Staging System, TNM,Staging Systems, TNM,Staging, Cancer,Staging, TNM,Staging, Tumor,System, TNM Staging,Systems, TNM Staging,TNM Classifications,TNM Staging Systems
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D005260 Female Females
D006258 Head and Neck Neoplasms Soft tissue tumors or cancer arising from the mucosal surfaces of the LIP; oral cavity; PHARYNX; LARYNX; and cervical esophagus. Other sites included are the NOSE and PARANASAL SINUSES; SALIVARY GLANDS; THYROID GLAND and PARATHYROID GLANDS; and MELANOMA and non-melanoma skin cancers of the head and neck. (from Holland et al., Cancer Medicine, 4th ed, p1651) Cancer of Head and Neck,Head Cancer,Head Neoplasm,Head and Neck Cancer,Head and Neck Neoplasm,Neck Cancer,Neck Neoplasm,Neck Neoplasms,Neoplasms, Upper Aerodigestive Tract,UADT Neoplasm,Upper Aerodigestive Tract Neoplasm,Upper Aerodigestive Tract Neoplasms,Cancer of Head,Cancer of Neck,Cancer of the Head,Cancer of the Head and Neck,Cancer of the Neck,Head Neoplasms,Head, Neck Neoplasms,Neoplasms, Head,Neoplasms, Head and Neck,Neoplasms, Neck,UADT Neoplasms,Cancer, Head,Cancer, Neck,Cancers, Head,Cancers, Neck,Head Cancers,Neck Cancers,Neoplasm, Head,Neoplasm, Neck,Neoplasm, UADT,Neoplasms, UADT
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old

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