![]() Patellar realignment surgery is broadly classified into proximal re-alignment procedures and distal re-alignment procedures. The aim of the surgery is to realign the kneecap in the groove and to decrease the Q angle. Surgery is sometimes needed to help return the patella to a normal tracking path when other non-surgical treatments have failed. If the kneecap has been completely dislocated, the kneecap may need to be repositioned back in its proper place in the groove. ![]() If your kneecap is only partially dislocated (subluxation), your physician may recommend non-surgical treatments, such as pain medications, rest, ice, physical therapy, knee-bracing, and orthotics. Other diagnostic tests such as X-rays, MRI and CT scan may be done to determine the cause of your knee pain and to rule out other conditions. Your doctor evaluates the source of patellofemoral instability based on your medical history and physical examination. You may also have sensational changes such as numbness or even partial paralysis below the dislocation as a result of pressure on nerves and blood vessels. When the kneecap slips partially or completely you may have severe pain, swelling, bruising, visible deformity and loss of function of the knee. Patellofemoral instability causes pain when standing up from a sitting position and a feeling that the knee may buckle or give way.
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