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What diameter suggests dilation of small and large bowel?
- 3 - small bowel
- 6 - colon
- 9 - caecum
What lengths of air fluid levels are suggestive of small bowel obstruction?
Air fluid levels greater than 2.5 cm in length
What are the types of supracondylar humerus fractures?
Type I - non displaced
Type II - displaced, intact posterior cortex
Type III - displaced, no cortical contact
What are the growth centers in children and in what order to they occur)
- CRITOE (1-3-5-7-9-11 years)
- C - capitellum
- R - radial head
- I - internal (medial) epicondyle
- T - trochlea
- O - olecranon
- E - external (lateral) epicondyle
What is patella alta?
Abnormally high patella in relation to femur
How does one measure patella alta?
Patellar length / Patellar tendon length
Patellar tendon length - inferior patella to tibial tuberosity
What is the pathogenesis of Legg Calve Perthes disease?
Loss of blood supply to proximal femoral epiphysis leading to avascular necrosis
What are characteristic findings of Rickets in adults?
Looser zones - horizontal lucencies which resemble fractures but are actually local accumulations of osteoid.
What are characteristic findings of Rickets in children?
Cupping of metaphyses
What are characteristic locations for child abuse on plain film?
- Posterior rib fractures
- Corner fractures of metaphysis
What are the top two causes of "drooping shoulder", i.e. inferior glenohumeral dislocation?
Neuromuscular injury (e.g. stroke, brachial plexus injury)
What is os trigonum?
Ossification at posterior process of talus