FIELD: medicine.
SUBSTANCE: cystoscope is inserted before the biopsy material is taken from the bladder. The bladder is filled with an antiseptic solution. Using a suprapubic extraperitoneal access the anterior abdominal wall and the bladder wall are pierced layer wise by a hollow needle with a plug. Under visual control, the end of the needle is brought to the neoplasm. Biopsy is performed by the needle of an automatic biopsy gun through the hollow needle tube.
EFFECT: method allows to accurately obtain biopsies of all layers of bladder wall neoplasm under cystoscopic control.
5 dwg, 1 ex
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