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Iridium-192 high dose rate brachytherapy combined with external beam irradiation in non-resectable oesophageal cancer. 1993

B Pakisch, and P Kohek, and E Poier, and G Stücklschweiger, and J Poschauko, and J Raith, and F Quehenberger, and R Mayer, and A Hackl
Department of Radiotherapy, University of Graz, Austria.

Forty-eight patients with non-resectable cancer of the oesophagus and oesophagogastric junction (group A: Stage I/II: n = 32; group B: Stage III/IV: n = 16) underwent intralumenal iridium-192 high dose-rate afterloading brachytherapy (5-7 Gy/session, total dose 5-21 Gy, mean 12.4 Gy) and external beam irradiation (Karnofsky > or = 80%: 50-60 Gy/2 Gy per day; Karnofsky 60%-79%: 30 Gy/3 per day). Prolonged satisfactory palliation (intake of at least semi-solid food) was demonstrated in 96% of patients. The mean survival for group A was 19.1 months and that for group B 6.9 months, with a 12-month survival rate of 66% for group A and 0% for group B (P < 0.001). Local tumour response and complication rate were significantly dose related with a predicted response rate of 70.5% and a complication rate of 50% at extrapolated response dose (ERD) 129.3 GY3 (Gy at alpha/beta = 3).

UI MeSH Term Description Entries
D007496 Iridium Radioisotopes Unstable isotopes of iridium that decay or disintegrate emitting radiation. Ir atoms with atomic weights 182-190, 192, and 194-198 are radioactive iridium isotopes. Radioisotopes, Iridium
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010166 Palliative Care Care alleviating symptoms without curing the underlying disease. (Stedman, 25th ed) Palliative Treatment,Palliative Supportive Care,Palliative Surgery,Palliative Therapy,Surgery, Palliative,Therapy, Palliative,Care, Palliative,Palliative Treatments,Supportive Care, Palliative,Treatment, Palliative,Treatments, Palliative
D011879 Radiotherapy Dosage The total amount of radiation absorbed by tissues as a result of radiotherapy. Dosage, Radiotherapy,Dosages, Radiotherapy,Radiotherapy Dosages
D001918 Brachytherapy A collective term for interstitial, intracavity, and surface radiotherapy. It uses small sealed or partly-sealed sources that may be placed on or near the body surface or within a natural body cavity or implanted directly into the tissues. Curietherapy,Implant Radiotherapy,Plaque Therapy, Radioisotope,Radioisotope Brachytherapy,Radiotherapy, Interstitial,Radiotherapy, Intracavity,Radiotherapy, Surface,Brachytherapy, Radioisotope,Interstitial Radiotherapy,Intracavity Radiotherapy,Radioisotope Plaque Therapy,Radiotherapy, Implant,Surface Radiotherapy,Therapy, Radioisotope Plaque
D004938 Esophageal Neoplasms Tumors or cancer of the ESOPHAGUS. Cancer of Esophagus,Esophageal Cancer,Cancer of the Esophagus,Esophagus Cancer,Esophagus Neoplasm,Neoplasms, Esophageal,Cancer, Esophageal,Cancer, Esophagus,Cancers, Esophageal,Cancers, Esophagus,Esophageal Cancers,Esophageal Neoplasm,Esophagus Cancers,Esophagus Neoplasms,Neoplasm, Esophageal,Neoplasm, Esophagus,Neoplasms, Esophagus
D005260 Female Females
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

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