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Zentralbl Chir. 2003 Apr;128(4):309-12.

[Unsuspected gallbladder carcinoma--the CAE-S/CAMIC registry].

[Article in German]

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Klinik f. Allgemein-, Visceral- und Minimal-Invasive Chirurgie, Ketteler-Krankenhaus, Offenbach am Main.



Results of earlier surveys raised the prospect that laparoscopic surgical procedures may specifically increase the risk of port wound metastasis and generally of tumour cell seeding if at the time of operation an unsuspected gallbladder cancer existed. Other observations lead to presume that laparoscopic technique could deteriorate the prognosis of gallbladder cancer. These assumptions are going to be verified by the CAES/ CAMIC-registry.


The Workgroup Surgical Endoscopy (CAE) of the German Society of Surgery has started 1997 a registry of all cases of cholecystectomy--laparoscopic as well open--with a postoperative incidental finding of a gallbladder carcinoma. The aim of our registry is to compare the prospectively collected follow up data on the outcome of these patients and to answer the question whether laparoscopic cholecystectomy affects the course and the prognosis of patients with unsuspected gallbladder cancer.


Until now 142 cases of incidental gallbladder cancer following laparoscopic and 79 cases following open cholecystectomy as well as 24 cases after intraoperative conversion to the open procedure have been recorded. The median follow up runs up to 27 (1-69) months. Following laparoscopic primary procedure we registered 10 port site metastases (7 %), following open primary procedure 4 (5.1 %) wound recurrences. The total recurrence rate at the moment is about 27 % after laparoscopic treatment and 31 % for conventionally operated patients. 70 of the 245 patients underwent a second radical procedure after diagnosis of gallbladder carcinoma. A postoperative combined radio- and chemotherapy was undertaken in 4 cases, a chemotherapy alone in 14 cases. 64 patients already died due to the underlining disease.


At the present, after a median follow up of 27 months, the incidence of abdominal wall recurrences is very similar following laparoscopic and conventional procedure (7 % vs. 5.1 %). The total incidence of recurrences is at the moment slightly higher following open cholecystectomy (31 % vs. 27 %). The access technique, open or laparoscopic, doesn't seem to influence the prognosis of unsuspected gallbladder carcinoma. Until now we could not find disadvantages for the laparoscopically operated group.

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