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📌Subchondral Insufficiency Fracture: A Case Study and Prognosis
✅ MRI Findings
- Hypointense fracture line
- Low signal intensity beneath subchondral bone plate
- Minimal articular surface flattening
- Thickened appearance of subchondral bone plate
✅ Key Diagnostic Points
- Low signal area beneath subchondral bone plate: critical for early diagnosis
- Subchondral bone plate deformity: subtle flattening or focal depression
✅ Prognosis Factors (Sayyid et al.) High-grade SIF
- Medial meniscus posterior root tears with associated moderate to severe extrusion.
- High-grade chondrosis.
- Larger lesion sizes (anteroposterior/transverse).
- Articular surface collapse.
References
- RadioGraphics 2018; 38:1478–1495
- Skeletal Radiol. 2019 Dec;48(12):1961-1974
"Visualizing MSK Radiology: A Practical Guide to Radiology Mastery"
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#SubchondralInsufficiencyFracture, #SIFK, #KneeMRI, #OrthopedicImaging, #MeniscalTear, #SONK, #OsteochondralDefect, #KneePathology, #RadiologyEducation, #OrthopedicPrognosis
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| (Fig 5-B.09) Subchondral Hypointense Area (0) | 2024.07.11 |
| (Fig 5-B.08) Types of Epiphyseal Collapse (Articular Collapse) (0) | 2024.07.11 |