– Discussion: – patient may note new onset of anterior knee pain; – diagnosis may be difficult if frx is non-displaced; – if patient is more than 6-12 months post-op, then consider bone scan; – Etilogy: – devascularization of the patella (as might … Read more
– Discussion: – w/ partial flexor tendon laceration which is proximal to A1 pulley: – enlarge the laceration if necessary; – if tendon is beveled, resect beveled edged – partially severed tendon should not be repaired if … Read more
– Discussion: – potential space between FPL tendon, FDP tendons, & pronator quadratus; – is known as the subtendinous space of the wrist or Parona’s space; – pus in FPL sheath can ascend in the radial bursa and eventually rupture into this space; – pus in little … Read more
– See: – Bone Tumor Menu: – Classic Osteosarcoma – Discussion: – parosteal osteosarcoma is a low-grade malignant bone tumor that usually occurs on the surface of the metaphysis of long bones; – arises between cortex and muscle as a low grade stage I-A surface tumor (ie does not initially invade … Read more
– Discussion: – disease involving capitulum of distal humerus that produced changes similar to those observed in Legg Calve Perthes disease; – it should be distinguished from osteochondritis dissecans (which occurs in the older child or adolescent – older than age 13 years); – pathologic process is … Read more
– See: THR Main Menu and Radiographic evaluation of THR – Discussion: – normal gait adaptions: – trendelenburg limp after THR is a clinical sign of gluteal insufficiency; – static trendelenburg sign: drop of the pelvis on the contralateral side while the individual stands on the operative side; – many patients will compensate for … Read more
– Discussion: – malposition of the joint line: – varus tibial component positioning – AP and lateral mechanical axias views can often identify subtle malalignment – flexion of femoral component: – will result in loss of full … Read more
– Discussion: – palmar cutaneous branch of median nerve arises from radial border of median nerve approximately 5 to 6 cm proximal to distal transverse flexion crease of the wrist; – it runs along the median nerve for 2 to 3 cm, and then runs along the ulnar border of the flexor carpi … Read more
– See: – Intrinsic Muscles of the Hand – origin: each from the 2 metacarpal bones between which it inserts; – insertion: – proximal phalanges of the 2nd, 3rd, and 4th digits & posterior expansion of the finger extensor tendons; – action: – 1st abducts index finger, … Read more
– Discussion: – most commonly used tendon graft for the hand; – palmaris longus tendon is extrasynovial and does not have synovial membrane; – instead of synovial membrane, the tendon has a paratenon which does not promote gluiding as well as intrasynovial tendons; – PreOp Planning: – determine … Read more