The level of the joint line after cruciate-retaining total knee replacement: a new coordinate system.

This study assessed joint line changes after knee replacement surgery. Sixty consecutive cruciate-retaining total knee replacements were followed up. The height of the femorotibial joint line in extension and in 90 degrees flexion were analysed.

[Critical analysis of the laparoscopic approach in colorectal surgery based on the personal experience of 613 interventions].

Initial experience of colo-rectal laparoscopic surgery, after a period of enthusiasm tempered by anticipated technical difficulties, was held back due to reservations made in the case of operations for cancer, following the publication warning surgeons concerning the danger of the development of port-site metastasis. Nevertheless, this type of surgery continued to be developed for benign diseases of the colon, enabling acquiring of the necessary surgical skill. This skill could then applied by experienced surgical teams for the treatment of cancer, that do not seem to show negative aspects, in connection with local recurrences or 5 years survival rates.