MyPACS.net: Radiology Teaching Files > Case 856458

Never visited KNEE PAIN, MEDIAL
Contributed by: Dean Thornton, Radiologist, Radiology Associates of Birmingham, P.C., Alabama, USA.
History: Recurrent medial knee pain after surgery.
Images:[small]larger

Fig. 1: Initial Study: Sag T2*. There is a horizontal tear in the posterior horn of the medial meniscus.

Fig. 2: Initial Study: Sag T2*.

Fig. 3: Initial Study: Cor PD.

Fig. 4

Fig. 5: Post-surgical Study: Sag T2*. The patient has undergone interval partial medial meniscal resection. Horizintal, linear increased signal is again seen.

Fig. 6: Post-surgical Study: Sag T2*.

Fig. 7: Post-surgical Study: Sag T1 fat sat indirect MR arthrogram. Linear high T1 signal in the posterior horn indicates the imbibition of contrast into a recurrent meniscal tear.

Fig. 8: Post-surgical Study: Sag T1 fat sat indirect MR arthrogram.

Fig. 9: Post-surgical Study: Cor T1 fat sat indirect MR arthrogram. Linear high T1 signal in the posterior horn indicates the imbibition of contrast into a recurrent meniscal tear.

Fig. 10: Post-surgical Study: Cor T2 fat sat. High T2 signal within the meniscus is also a specific sign of recurrent tear.
Diagnosis: Recurrent tear of the posterior horn of the medial meniscus.
References:

White LM, Schweitzer ME, Weishaupt D, Kramer J, Davis A, Marks PH. Diagnosis of recurrent meniscal tears: prospective evaluation of conventional MR imaging, indirect MR arthrography, and direct MR arthrography. Radiology. 2002 Feb;222(2):421-9.

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Additional Details:

Case Number: 856458Last Updated: 2004-12-29
Anatomy: Skeletal System   Pathology: Trauma
Modality: MRAccess Level: Readable by all users

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