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Doctor insights on: Lateral Patella

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2 failed lateral release patella dislocations. Now rt tkr in may. Nov and patella dislocated again. Medial pain . Shallow trochlear groove. What next?

2 failed lateral release patella dislocations. Now rt tkr in may. Nov and patella dislocated again. Medial pain . Shallow trochlear groove. What next?

Patella dislocations: You may need a mpfl reconstruction to keep your patella from dislocating. If your surgeon cannot do it find a fellowship trained sports medicine doctor. You can check www.Sportsmed.Org or www.Aana.Org to find a doctor in your area. ...Read more

Dr. John Michalski
638 doctors shared insights

Patella (Definition)

Patella is a thick piece of bone, more commonly known ...Read more


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Active runner. 26 y/o. Knee chrondroplasty, patella lateral release x2, removal of foreign bodies. Worried about developing arthritis - what can I do?

Active runner. 26 y/o. Knee chrondroplasty, patella lateral release x2, removal of foreign bodies. Worried about developing arthritis - what can I do?

Arthritis: May or may not develop from above causes, but keeping good weight, strengthening quads and collateral ligaments may help. ...Read more

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What does neutral position lateral subluxation of the patella approximately 6mm mean? What is spur formation of the lateral facet mean?

What does neutral position lateral subluxation of the patella approximately 6mm mean? What is spur formation of the lateral facet mean?

Hard 2 explain as --: -neutral does not give me any idea what that position is. also was it a Merchant's view, or the knee straight or flexed? give a little more info & will B glad 2 help, ...Read more

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What is the connection between patella maltracking, lateral and medial joint line pain? What causes joint line pain?

What is the connection between patella maltracking, lateral and medial joint line pain? What causes joint line pain?

Alignment.: The under-side of the patella is v-shaped and runs in a groove. If there is asymmetry in the strength of your quadriceps or abnormality in your gait it can pull to one side causing arthritis sometimes called patellofemoral pain syndrome. Pain in the "joint line" is non-specific and can represent a variety of pathological changes in the knee. ...Read more

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What does slight lateral positioning of the patella and shallow trochlear groove with min. anterior lateral femoral condyle ridge reactive change mean?

What does slight lateral positioning of the patella and shallow trochlear groove with min. anterior lateral femoral condyle ridge reactive change mean?

Common MRI : It means that your kneecap sits slightly off to the side on the end of the thigh bone( trochlea) @ 90degrees of bend. ( flexion), and your 'groove' ( trochlea) is slightly shallow on your femur. Very common radiologic ' diagnosis' , seen most commonly in patients w/ 'mild' patellar instability or ' kneecap' pain. See your ORS for significance . Best of Luck! ...Read more

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What is mild lateral excursion to the patella with focal subchrondral bone marrow along the median ridge inferior patella? overlying chondromalacia

What is mild lateral excursion to the patella with focal subchrondral bone marrow along the median ridge inferior patella? overlying chondromalacia

Weak VMO-LrgQ angle: The VMO ->the medial part of quadriceps muscle, when relatively stronger, it can help your patella (knee cap) track in the middle of its groove. As you grow, hips get wider and that increases the Q angle (look it up). Strengthen your VMO with Quad Sets. Put a Coffee can under your knee straighten- hold. Toes in X20, toes strait X10, Toes out X10. VMO works w/ toes in. incr. to 100/50/50. Ice. ...Read more

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Lateral knee pain under patella & pressure within joint when bent for a long time no pain bearing weight heard loud pop when squatted once what is it?

Lateral knee pain under patella & pressure within joint when bent for a long time no pain bearing weight heard loud pop when squatted once what is it?

Kneecap slippped: Please see my previous answers on patellofemoral pain/ subluxation. Your symptoms suggest your kneecap cartilage is causing you pain... When you squatted your patella( kneecap ) subluxated transiently and 'reduced' spontaneously. That's the 'pop' you felt or heard. See your orthopedic surgeon for definitive diagnosis and treatment. Best of luck! ...Read more

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Mcl sprain after dislocation of patella. Recent lateral release , meniscus repair . How do they know no tear without mri? Limp, popping noise , pain

Cannot be sure: An MRI is an appropriate imaging study to detect a ligamentous or meniscal tear. A physical exam by a physician can help distinguish between different injuries, but symptoms such popping noises wouldn't necessarily signify a tear or not. ...Read more

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If patella dislocates after tkr is that a surgical alignment issue ? Two failed lateral releases and fx with prev duslocatio. Before tkr next step ?

If patella dislocates after tkr is that a surgical alignment issue ? Two failed lateral releases and fx with prev duslocatio. Before tkr  next step ?

U need to have a --: Detailed talk with your surgeon, as there are a couple of difficult issues here. Is the patella healed now or is it still fractured? During tkr one can address both the arthritis and the recurrent dislocation issues with a lateral release (during the tkr surgery) and medial reefing. Generally works better. But your surgeon will decide whats best for you, in your situation. Good luck. ...Read more