Meniscus Lesions Tied to Neuropathic Pain in Knee OA


Meniscal extrusion on MRI significantly associated with increasing pain scores in knee osteoarthritis.

Meniscus lesions, specifically extrusions, were a risk factor for neuropathic pain in patients with knee osteoarthritis (OA), results of a pilot study suggested.

The presence of meniscal extrusion on MRI, in both medial (P=0.006) and lateral (P=0.023) compartments, was significantly associated with increasing neuropathic pain (NP) pain scores in knee OA patients, according to Camille Roubille, MD, of the University of Montreal Hospital Research Center in Quebec, and colleagues.

The presence of meniscal tears in the lateral compartment (P=0.011) was also significantly associated with pain scores, they wrote online in Arthritis Research and Therapy.

“Our finding of an association between NP and lateral meniscal tear is somewhat unexpected as literature indicates that meniscal tears are not usually associated with symptoms,” the authors wrote.

The multicenter, cross-sectional, observational study included 50…

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