PMID: 9426263Mar 14, 1998Paper

Laser application for minimal invasive reduction of thyroid gland tissue

European Journal of Medical Research
H v Sanden, G Hauptmann

Abstract

Administration of antithyroid agents, surgery and radioiodine therapy are the established methods for treating hyperthyroidism. All of the methods are relatively complex and are associated with risks. That is why the sonographically controlled minimum invasive alcohol injection method was developed. The disadvantage associated with this procedure, however, is that it can not be controlled as effectively. Thyroid gland tissue is removed from an animal model with delimitation by means of thermal coagulation using a new, specially developed ITT laser probe. The treatment is effected by puncturing intact skin. Placing of the probe is controlled sonographically. The puncture channel is 18 G; the laser probe has a diameter of 0.8 mm. The procedure is effected using local anesthesia which may be combined with light analgesic sedation and takes approx. 10 minutes. The laser application lasts 145 seconds and has a total power of 1195 joules. Laser treatment can be compared with the invasiveness of a jugular vein catheter unit and has good tolerance. Complete histologic healing of the coagulation zone takes 4 weeks and the boundaries of the scar contraction are barely recognizable. The size of the coagulation zone can only be controlled ...Continue Reading

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