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  • Title: Palliative laser therapy for inoperable rectal cancer--does it work? A prospective study of quality of life.
    Author: McGowan I, Barr H, Krasner N.
    Journal: Cancer; 1989 Mar 01; 63(5):967-9. PubMed ID: 2464430.
    Abstract:
    Endoscopic neodymium yttrium aluminium garnet (Nd YAG) laser therapy, is a new and simple method for the palliative treatment of inoperable colorectal cancer. To date the authors have treated 70 patients and the value of this method was assessed prospectively in 14 patients. Quality of life was measured before, during, and after treatment. The quality of life (QL) index, a physician's assessment and a linear analogue self-assessment (LASA) were used. A close correlation was found between the two assessment methods (r = 0.79). Overall there was a significant improvement from the mean pretreatment score and the best score achieved posttreatment (QL: P = 0.002; LASA: P = 0.002). Patients with diarrhea, rectal bleeding, mucus discharge, or pain secondary to tumor bulk, will benefit most from this treatment. Malignant cachexia, pain secondary to sacral plexus involvement, tumor encroachment on the anal canal and/or sphincter dysfunction resulting from tumor invasion should be viewed as relative contraindications to laser therapy. The authors conclude that in selected patients endoscopic laser therapy can provide effective palliation in patients with malignant tumors of the rectum and descending colon.
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