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Chondromalacia patellae (also known as CMP) is an inflammation of the underside of the patella and softening of the cartilage. The cartilage under the kneecap is a natural shock absorber, and overuse, injury, and many other factors can cause increased deterioration and breakdown of the cartilage.
It is frequently divided into 5 grades, with 0-2 defined as normal and 3-4 defined as diseased. Some common diseases affecting/involving the cartilage ...
The surgery required is governed by the type of abnormality present, but often involves a sulcoplasty, a deepening of the trochlear sulcus where the patella sits, a realignment of the attachment of the patella tendon on the tibia, and tightening or releasing of the capsule on either side of the patella, according to which side the patella is ...
grade 1: the cartilage has a soft spot, blisters, or superficial wear; grade 2: minor tears of less than one-half the thickness of the cartilage layer; grade 3: lesions have deep crevices of more than one-half the thickness of the cartilage layer; grade 4: the cartilage tear is full thickness and exposes the underlying (subchondral) bone
Patellar subluxation syndrome is an injury involving the kneecap.Patellar subluxation is more common than patellar dislocation and is just as disabling. [1]In this condition, the patella repetitively subluxates and places strain on the medial restraints and excessive stress/tension on the patellofemoral joint.
In medicine, Clarke's test (also known as the Osmond-Clarke test or patellar grind test) is a component of knee examination which may be used to test for patellofemoral pain syndrome, chondromalacia patellae, patellofemoral arthritis, or anterior knee pain. It is not a standard part of the knee examination but is used to diagnose anterior knee ...
Chondromalacia patellae, a disorder of cartilage under the kneecap [2] Bronchomalacia, a disorder of the bronchial tubes' cartilage [3] Laryngomalacia, a disorder of the larynx's cartilage; Tracheomalacia, a disorder of the trachea's cartilage [3] Keratomalacia, an eye disorder from vitamin A deficiency; Myelomalacia, a disorder of the spinal cord
When there is too much tension on the patella, the ligaments will be susceptible to tearing due to shear force or torsion force, which then displaces the patella from its groove. [3] Patellar dislocation may also occur when the trochlear groove is shallow, a condition defined as trochlear dysplasia .