Case: Lower limb radiograph #168657550
Lower limb Advanced
Read this radiograph systematically before revealing the answer. What is the main abnormality?
Image: Hellerhoff via Wikimedia Commons · CC BY-SA 4.0 · source · resized and converted to WebP
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Answer: Pellegrini–Stieda lesion
What to look for in pellegrini–stieda lesion
- Linear or curvilinear ossification adjacent to the medial femoral condyle.
- Represents ossification after injury to the proximal medial collateral ligament.
- Well corticated, without an acute fracture line.
Description by the image author (may be in another language): Distaler "Stieda-Pellegrini-Schatten" nach Innenbandverletzung: Man erkennt eine ossifizierte Abhebung an der proximalen medialen Tibiakante entsprechend dem Unterrand der Insertion des Innenbandapparates analog zu einem Stieda-Pellegrini-Schatten, welcher sich typischerweise proximal neben dem Femur findet.
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.
