– See: Pediatric BKA: – Overgrowth Phenomena: – occurs as a result of appositional growth (not physeal growth); – in order of frequency it occurs in the: humerus, fibula, tibia, and femur; – AKA: – hemiatrophy of pelvis associated with coxa valga and elongation of lesser trochanter; femur … Read more
– Discussion: – a common benign but locally aggressive lesion of unknown etiology; – occurs chiefly in men between 20-50 yrs (after epiphyseal closure); – tumor is expansile lytic lesion that involves the epiphysis & metaphysis; – tumor may enlarge to occupy most of epiphysis & adjacent metaphysis; … Read more
– See: – Frx of Medial Condyle in Adult: – Discussion: – rare injury; – look for medial sided pain; – unlike frx of medial epicondyle, elbow dislocation usually does not occur in this injury; – in the report by Leet AI, et al … Read more
– See: – Adult Lateral Condylar Fractures – Pediatric Elbow – Discussion: – common frx in children (20% of pediatric elbow frx); – occurs most often between 6-10 yrs of age; – mechanism: fall on the outstretched arm w/ forearm in abduction & elbow in extension; … Read more
– See: – Pediatric Frx of the Olecranon – Radial Head Fractures – Discussion: – low energy olecranon fractures: – most commonly occur in elderly patients, and result from indirect trauma; – fracture and results from a sudden pull of both the triceps and brachialis muscles; – frx begins at midpoint of trochlear notch and … Read more
– Discussion: – small fractures of the coronoid process itself are unimportant; – large coronoid fractures involve the distal articular surface of trochlear notch which can lead to significant instability of elbow in extension; – these frx require plate to neutralize forces across site of comminution; – frx … Read more
– See: – Anterior Dislocation of the Shoulder – Posterior Shoulder Dislocation – Proximal Humeral Fracture – Three Part Fracture Dislocation – Discussion: – frx dislocations may be considered an extension of two, three, and four part frx classifictions; … Read more
– Discussion: – 4 segment frx is most difficult to treat & is assoc w/ poorest results; – vascular supply to the humeral head – added to problems of three part frx, namely delayed union or non union, is avascular necrosis of the humeral head; – the … Read more
– See: Flexor muscles of the Forearm: – Superficial muscles arise from a common tendon attached to the lateral epicondyle of the humerus, and divide into lateral and medial groups; – Lateral three of these muscles: Brachioradialis Extensor … Read more
– See: – Forearm Flexors – Swan Neck Deformity following Excision of FDS – FDS Laceration: – Anatomy: – origin: – humero-ulnar head: medial epicondyle of humerus by common tendon, ulnar collateral ligament of elbow & coronoid process of … Read more