– See: – Classification and Column Theory – Posterior Wall Fractures – AO Foundation Posterior Column Frx – Discussion: – posterior column extends from obturator foramen thru posterior aspect of the wt bearing dome of acetabulum & then obliquely through greater sciatic notch; – frx of … Read more
– Discussion: – dx is made when there is posterior instability on exam and a bone fragment was seen on x-ray; – MRI allows determination of the anatomy of the tear (ie femoral or tibial origin); – tibial avulsions: – tibial avulsions … Read more
– See: – AP view – Carpal height & Carpal height ratio – Clenched Fist AP – Radial Inclination – Radial Length & Width – Ulnar Variance – X-ray for Distal Radius Frx – Discussion: – AP View is prefered for … Read more
– See: – Associated Transverse and Posterior Wall Frx – Classification and Column Theory – Discussion: – most common type of acetabular frx (up to 50% of acetabular fractures will contain a posterior wall fragment); – posterior wall frxs involve the posterior articular surfaces, often w/ retroacetabular … Read more
– Discussion: – initial postop plaster splint holds the wrist in 20 degree flexion, MP joints in at least 60 degree flexion, and digits should be held in extension inorder to avoid contractures; – motion is begun after a few days, once it is clear that the wounds are healing well; … Read more
– Discussion: – initial postop plaster splint holds wrist in 20 deg flexion, MP joints in at least 60 deg flexion, and digits should be held in extension in order to avoid contractures; – early motion is started to decrease tendon adhesions & to improve digit motion; – patients … Read more
– See: differential diagnosis of posterior fossa masses – Discussion: – popliteal artery is the continuation of superficial femoral artery at hiatus of the adductor magnus muscle; – artery is anchored proximally by tendinous insertion of adductor magnus upon the medial femoral epicondyle; – it runs posterior to the distal … Read more
– Anatomy: – origin: – lateral condyle & posterior horn of lateral meniscus fibular head; – popliteus muscle has 3 origins, strongest of which is from lateral femoral condyle, just anterior and inferior to the LCL origin; … Read more
(see also: juvenile RA menu) Discussion definition: > 5 involved joints; large and small joint may be affected; accounts for about 50% of patients w/ JRA; may occur at 1-3 yrs or during early adolescence (after age 10); children w/ seronegative arthritis usually present before age 5 years and have iridocyclitis if fewer than five … Read more
– Discussion: – polydactyly in the foot usually involes a single duplication (hexadactyly) – associated anomalies: – duplications occur bilaterally in about 40-50% of patients, but often the duplications are not symmetric; – polydactyly of hand … Read more