FIELD: medicine.
SUBSTANCE: invention refers to medicine, namely to surgery. A biopsy is performed, and a bipolar drain tube is inserted into the bile ducts. A terminal end of the X-ray contrast drain tube is preliminarily notched along the long axis. A recurrent biopsy is performed on the 10-14th day. The external drain tube is removed. The biopsy forceps 3.5 cm is inserted along a fistulous passage. The bile ducts are contrasted by inserting a thin X-ray contrast catheter guide. A histological material is sampled under X-ray control.
EFFECT: method for the direct punch biopsy of the tumour along the fistulous passage reduces injuries and provides the higher diagnostic accuracy.
2 ex, 9 dwg
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