Surgical utility of the Lanz classification of median nerve ramification.

The authors comment on the Lanz classification of the median nerve ramification at wrist level. The authors outline the importance of having very good knowledge of this classification for hand surgeons, plastic surgeons and neurosurgeons, in order to prevent iatrogenic lesions of the median nerve branches at wrist level. The regional anatomy is of utmost importance for carpal tunnel syndrome surgery, especially the mini-invasive and endoscopic techniques.