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  • Title: Laser therapy of gastrointestinal tumors.
    Author: Eckhauser ML.
    Journal: World J Surg; 1992; 16(6):1054-9. PubMed ID: 1280890.
    Abstract:
    Surgical resection remains the therapy of choice for the treatment of potentially curable gastrointestinal tract (GI) malignancies. Many of these tumors are incurable at the time of diagnosis and therapy should be directed towards palliation with the intent of minimizing pain, bleeding, obstruction, and potential morbidity. Endoscopic laser therapy is uniquely applicable for the palliation of GI tumors and in selective instances may be appropriate for the treatment of early lesions. Eighty-six patients with GI malignancy have been treated at our institution since 1985. Thirty-one patients had advanced upper GI lesions (esophagus: 26, gastric: 3, duodenal: 1, and pancreatic: 1) and 55 patients had lower GI tumors (colon: 37 and rectal: 18). Pre-resectional recanalization for obstructing colorectal carcinomas obviating initial operative diversion was performed in 31 (56%) of 55 patients. Twenty-four patients had palliative laser therapy (obstruction: 17 and hemorrhage: 7) with resolution of their symptoms. There was 1 laser related perforation in the pre-resectional group and the overall complication rate was 1.2%. Endoscopic Nd:YAG and currently photodynamic laser therapy for GI tumors has proven to be an effective mode of therapy for advanced GI neoplasms with minimal morbidity. The utility of photodynamic therapy for the treatment of early stage esophageal and gastric cancers remains controversial.
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