Conclusion
Though the Palmer classification of TFCC tears has added tremendous value in terms of grouping lesions into traumatic and degenerative categories, it is important to remember that it is more useful in terms of differentiating etiology than in designating distinct treatment recommendations. Both Type I and Type II tears may reflect the biomechanical effects of increased ulnar variance, and both, in that light, may require more than simple debridement. Careful examination and the use of preoperative MR imaging and fastidious diagnostic use of the arthroscope may reveal whether an element of ulnar impaction exists and, for that matter, whether other pathology, such as an LT tear, needs to be addressed.
For the most part, however, Type IC tears can be treated effectively with debridement alone and Type IIC tears by debridement and an arthroscopic wafer procedure.
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Tomaino, M.M. (2005). Management of Type C TFCC Tears. In: Geissler, W.B. (eds) Wrist Arthroscopy. Springer, New York, NY. https://doi.org/10.1007/0-387-27087-6_8
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