“…In order to evaluate this it is important to establish the correct diagnosis in the acute stage. Noninvasive diagnostic methods would be preferable if they were sufficiently accurate, but unfortunately this is not the case and by far the most morphological abnormalities in post-traumatic and chronic cases are observed with arthroscopy (Adolfsson, 1992(Adolfsson, , 1994Blazar et al, 2001;Cooney, 1993;Johnstone et al, 1997;Kelly and Stanley, 1990;North and Meyer, 1990;Pederzini et al, 1992;Povlsen and Peckett, 2001;Schers and van Heusden, 1995). However the clinical relevance of some of the arthroscopically diagnosed abnormalities is not fully understood.…”