It has always been a cause of regret to genito-urinary surgeons that in most operations on the bladder it is impossible to deliver a finished product on account of the necessary or supposedly necessary tubal drainage of this viscus. This was one of the more important reasons for their taking up so enthusiastically the cystoscopic endovesical methods in the treatment of bladder tumors. Endovesical treatment today includes fulguration, galvanocauterization and diathermy.
There are cases, however, in which fulguration is not advisable on account of the character of the growth, or in which even the repeated application of the galvanocautery or the diatherm through the operative cystoscope is not successful, or cases in which, on account of the location or the extent of the tumor, an endovesical intervention a priori could not be expected to be sufficient.
The superiority of destruction by heat of vesical tumors over the excision with the