Osteochondrosis of the inferior pole of the patella is known as which condition?

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Sinding-Larsen-Johansson disease is a traction-related osteochondrosis at the inferior pole of the patella. In growing, active adolescents, the pull of the quadriceps tendon on the lower edge of the patella can cause microtrauma and inflammation at this growth area, leading to anterior knee pain localized just below the patella. Typical signs are anterior knee pain that worsens with running, jumping, or jumping activities, and tenderness directly over the lower patellar pole. Imaging may show irregularity or fragmentation at the inferior patellar pole as the apophysis matures.

This condition is distinct from others like Osgood-Schlatter disease, which involves the tibial tubercle, not the patella. Blount disease is a growth disturbance of the medial tibial physis causing tibia vara, and Van Neck disease refers to a different osteochondrosis condition not at the inferior pole of the patella.