The possibility of retrogasserian thermocoagulation, glycerol radiculolysis and balloon compression in Meckel's cavity with a single surgical instrumentarium.

483 patients were operated on one of the percutaneous method. The radiofrequency thermocoagulation, the application of glycerol to the trigeminal cistern and the balloon compression of the ganglion were used. There are no substantial differences in the results and number of recurrences obtained with any of the different lesions. The choice of the type of lesion is often appointed by technical circumstances. The kind of instrumentarium which permits to perform in a single approach one of the three types of trigeminal lesion or there combination was designed.