Triangular fibrocartilage complex injuries – limitations of the current classification systems and the proposed new ‘CUP’ classification

Schmitt, Rainer; Grunz, Jan-Peter; Langer, Martin

doi:10.1177/17531934221121931

Cited by 4 publications

(3 citation statements)

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“…The limitations of existing classifications of TFCC disorders have led Schmitt et al 14 to recently propose a new classification system, the “CUP” classification (“C” for central, “U” for ulnar, and “P” for peripheral). This classification is based on a classic 3-D anatomical description of the TFCC and includes a “combined lesions” category as recommended by previous authors.…”

Section: Discussionmentioning

confidence: 99%

“…A recently updated classification of TFCC disorders was based on classic 3-D anatomic drawings. 14 We recently proposed a new arthroscopic description of the TFCC from a 3–4 radiocarpal portal (disc, reins, and wall) including functional and vascular aspects along with a first attempt at stratifying TFCC tears. 3…”

mentioning

confidence: 99%

“…A recently updated classification of TFCC disorders was based on classic 3-D anatomic drawings. 14 We recently proposed a new arthroscopic description of the TFCC from a 3-4 radiocarpal portal (disc, reins, and wall) including functional and vascular aspects along with a first attempt at stratifying TFCC tears. 3 Here, we propose a new comprehensive arthroscopic classification of TFCC lesions and their variants based on our arthroscopic description of the TFCC as seen from a 3-4 radiocarpal wrist arthroscopy portal with the addition of distal radial ulnar joint (DRUJ) arthroscopy when necessary.…”

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confidence: 99%

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A New Arthroscopic Classification of Triangular Fibrocartilage Complex Disorders

Herzberg,

Burnier,

et al. 2023

J Wrist Surg

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Introduction The use of wrist arthroscopy has become a prerequisite for diagnosis and treatment of triangular fibrocartilage complex (TFCC) disorders. Since Palmer's landmark paper, many new arthroscopic descriptions of TFCC tears have been published but there is no currently available updated comprehensive arthroscopic classification of TFCC lesions. Purpose We recently described the arthroscopic anatomy of the TFCC as viewed from a 3–4 portal. Our purpose was to propose a new TFCC disorders classification based on this new arthroscopic TFCC description. Methods We included all currently described TFCC disorders to the best of our knowledge into our arthroscopic, functional, and vascular anatomical concept. We also included patient's specific ulnar variance and distal radial ulnar joint coronal inclination as baseline treatment-oriented parameters. The fresh or chronic, reparable or nonreparable nature of some types of TFCC tears were considered as separate parameters. Results The proposed classification includes disc “D” (degenerative or traumatic), reins “R” (traumatic), and wall “W” (traumatic) lesions. Combined lesions of those three parts of the TFCC may be easily identified. This new classification should facilitate future analysis of isolated or combined TFCC disorders whether they are degenerative and/or traumatic. Discussion The authors present a new three-dimensional-three-part arthroscopic updated description of TFCC disorders with relevance to etiology and treatment principles.

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