Lunate - triquetal instability
Etiology
FOOSH
Rare
Patho-anatomy
| Intrinsic | Extrinsic |
|---|---|
|
Lunate-triquetal ligament - C shaped - volar / dorsal / membranous - volar component strongest
|
Dorsal radiocarpal ligament
Palmar radio-triquetral ligament Radiocarpal dislocation
A. Radiocarpal Dislocation
Transient synovitis / Septic arthritisClinically
Unwell / irritable Fever Not feeding Unable to weight bear / limp Knee pain
Examination
Fever Limited / painful ROM Hip held flexed and externally rotated - maximises volume of capsule
Lab testsWCC > 12 000 ESR > 40 CRP > 10 Blood cultures
Trochanteric OsteotomyTypes
1. Standard trochanteric osteotomy 2. Sliding trochanteric osteotomy 3. Extended trochanteric osteotomy
Standard Trochanteric osteotomy
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