📌 Pellegrini-Stieda disease
: refers to intraligamentous or periligamentous calcification and ossification that can occur with chronic injuries of the medial collateral ligament (MCL).
✅ Schematic Representation
This condition can present with different appearances and locations around the MCL, as depicted in the provided schematic:
I. Beak-like appearance with inferior orientation and femoral attachment
II. Drop-like appearance with inferior orientation, parallel to the femur III. Elongated appearance with superior orientation, parallel to the femur
IV. Beak-like appearance with both inferior and superior orientation, attached to the femur
✅ While most patients with Pellegrini-Stieda disease are asymptomatic, a small proportion may experience medial knee pain.
Skeletal Radiol (2006) 35: 916–922
MRI Web Clinic - June 2018 Medial Supporting Structures of the Knee with Emphasis on the Medial Collateral Ligament
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