[The site of recurrent ulcer following stomach surgery (Billroth I and II)].

In 69 patients with recidivation ulcer after an operation of the stomach (51 times Billroth II and 18 times Billroth I) was investigated whether or not there are differences in the localisation of an ulcer. In patients operated on according to Billroth II ulcers of the anastomoses are dominating, whereas in patients operated on according to Billroth I the majority of ulcers is to be found in the residual stomach. The causes for the deviating distribution pattern are not unequivocal. Changed diagnostics (in the first place endoscopy), different effect of the bile reflux, differing colonisation with Campylobacter pylori and differences in the size of the resection are discussed. The free interval between operation and recidivation of ulcer is distinctly shorter in Billroth I patients.