– Discussion: – classified pelvic ring injuries simply according to site of injury; – anterior disruption can occur thru either pubic symphysis or pubic rami; – injury may be through the ilium, the SI joint, or the sacrum; – it can involve frx-dislocation of SI joint, which … Read more
– See: – AP view – Radiology of the Pelvis: – Internal (Obturator) Oblique View: – shows iliopectineal line anterior column of pelvis & posterior wall; – pt is supine w/ involved side of pelvis rotated anteriorly 45 deg & beam directed vertically toward affected hip; … Read more
– Discussion: – most common type seen in children & young adults; – occurs in about 5% of the population; – more common in Eskimos; – more common in yound white males involved in hyperextension activities; – most common … Read more
– See: – characteristics of cemented femoral stems – loosening cemented femoral component: – collar: in THR – optimal cementing technique – removal of cemented femoral stems: – Preparation for Insertion: – calcar planer: … Read more
– Destot’s sign: – superficial hematoma above inguinal ligament or in scrotum or thigh; – may indicate a pelvic fracture, as may a limb-length discrepancy or obvious rotational deformity of the pelvis or lower extremity; – Roux’s sign: – a decrease in the distance from the greater trochanter to … Read more
– Discussion: – innervated by branches of obturator, femoral, & sciatic nerves; – Anterior and Posterior Innervation Groups: – posterior group: – posterior articular nerve of tibial nerve which crosses posterior capsule at level of oblique popliteal ligament; … Read more
– Inlet View of the Pelvis: (cauded projection) – caudad projection, also called inlet view, best demonstrates ring configuration of pelvis, & narrowing or widening of diameter of ring is immediately apparent. – evaluates for posterior displacement of pelvic ring or opening of pubic symphysis; – technique: – … Read more
– See Superior Gluteal Artery: – Discussion: – inferior gluteal artery leaves pelvis below piriformis and above superior gemelli (after passing greater sciatic foramen ); – main trunk of artery is vulnerable as it emerges from beneath lower border of pirformis when pelvic fractures involve greater sciatic notch; – … Read more
– See: innervation muscles lower limb – Discussion: – arises from posterior branches of L5, S1, and S2; – passes from the pelvis below the piriformis muscles in the greater sciatic foramen; – it enters the deep surface of the gluteus maximus muscle, to which it is the sole … Read more
– See: Total Hip Replacement Menu: and see total knee replacement infections – Diagnosis: – diagnosis of septic loosening is initially based on history, x-ray findings, and elevated sed rate; – clincially patients may note increasing pain at both rest and with activity; – despite the variety of tests available, it may be difficult to distinguish … Read more