OCAD MSK

History

26 y/o crashed on a skateboard.

Figure 1 for case trapeziometacarpal dislocation — Figure 1

Figure 2 for case trapeziometacarpal dislocation — Figure 2

Figure 3 for case trapeziometacarpal dislocation — Figure 3

Figure 4 for case trapeziometacarpal dislocation — Figure 4

Figure 5 for case trapeziometacarpal dislocation — Figure 5

Discussion

Patient has torn the deep anterior oblique ligament (beak), and sprained the superficial anterior oblique ligament, posterior oblique ligament and first intermetacarpal ligament. Also a sprain of the dorsoradial ligament. The joint has reduced but the patient related that he can slip it in and out easily. First images are from a dedicated thumb exam and the last image is from the wrist exam.
Please refer to the excellent article on the subject from San Diego included. Reference article.

Diagnosis

trapeziometacarpal dislocation

Phillip Tirman MD

Courtesy

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