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  • Title: Palliation of carcinoma of the oesophagus with brachytherapy and the Didcott dilator.
    Author: Sur RK, Didcott CC, Levin CV, Kulhavy M, Donde B, Schafer M, Gavenescu J.
    Journal: Ann R Coll Surg Engl; 1996 Mar; 78(2):124-8. PubMed ID: 8678445.
    Abstract:
    Forty-one patients with oesophageal cancer who developed strictures after high dose rate intraluminal brachytherapy were dilated using a slow continuous dilator (Didcott dilator). After dilatation, all patients were evaluated monthly for relief of dysphagia. At the end of the 1st month, 41 patients were evaluable: 28 had no dysphagia while 13 had improvement; at the end of the 2nd month, 40 were evaluable, 26 had no dysphagia while 14 had improvement; at the end of the 3rd month, 34 patients were evaluable, 24 had no dysphagia while 10 had improved. Three patients developed worsening of dysphagia owing to tumour recurrence among 32 patients who were evaluable at the end of the 4th month. Five patients developed worsening of dysphagia among the 26 patients who were evaluable at the 5th month due to tumour. These patients were dilated with the Didcott dilator and were treated with further brachytherapy. At the end of the 6th month, 14 patients were evaluable; seven had no dysphagia, while seven had improvement over their presenting dysphagia scores. Slow continuous dilatation using the Didcott dilator is very effective in the dilatation of strictures after high dose rate intraluminal brachytherapy. Dilatation is prolonged and sustained and a single dilatation is usually enough to maintain patency.
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