For patellofemoral (kneecap) arthritis, total knee replacement is almost always necessary--usually because it co-exists with arthritis in rest of the joint.
Kwisifo sokuqaqamba kweziciko zamadolo (patellofemoral) kuye kufuneke ukuba lifakelwe lonke idolo ngenxa yokuba esi sifo sihambisana nesifo okuqaqamba kwelungu lilonke.