Hossein Saremi - MD, Associate professor of Hamadan university of Medical sciences

The TFCC is the most important stabilizer of the DRUJ and ulnar carpus.Tears of the peripheral zone (foveal) of the triangular fibrocartilage complex (TFCC)often result in pain, decreased grip strength and may lead to distal radioulnar joint (DRUJ) instability if not surgically repaired.Palmer and Werner classified the disorders of the TFCC and divided the lesions intotraumatic (class I) and degenerative (class II).Each type is also classified as A,B,C or Dsub type. Degenerative changes of the TFCC develop with aging and central defectsof the TFCC are not considered repairable. However, for the traumatic lesions (classI), surgical repair has been performed.Atzie has classified peripheral TFCC tears in to 5 types considering clinical, radiologicaland arthroscopic findings.A peripheral TFCC lesion could be treated open or arthroscopically using an insideout,an outside-in, or an all-inside technique.Results of arthroscopic treatment is good to excellent and in a recent follow-upassessing the long-term results for these patients, the good results could remain 20years after surgery.We achieved the same results in mean 2 years follow-up of our patients.