The Hip book

Oblique Metacarpal Shaft Fractures

– Frx Malrotation:     – tend to shorten & rotate rather than angulate;     – may telescope because of proximal pull of extrinsic muscles;     – effect of malrotation:          – if 5 deg of malrotation is accepted, then displacement will  override 10 mm; – Frx Shortening:     … Read more

Non Union

– See:           – Humeral Fracture Non Union           – Tibial Non Unions           – Femoral Shaft Non Union    – Discussion:      – see bone healing and bone blood supply     – definition: fracture that lacks potential to heal without further intervention            – frx of shaft of long bone should not be considered nonunion until at … Read more

Non-Displaced Scaphoid Fractures

                              – See:     – Scahoid Frx Menu     – Non Diagnositic X-ray – Discusion:     – tension in palmar radioscaphocapitate ligament leads to displacement of distal pole of scaphoid;     – consider immobilization to relaxe palmar … Read more

Non Dissociative Carpal Instability

– See: carpal instability – Discussion:     – refers to a proximal row instability which occurs in the absence of instability between the individual proximal carpi;            – ie, the scapholunate and lunotriquetral intervals are normal;     – potential sites of pathology:            – capitolunate … Read more

Neurovascular Island Flap

– Discussion:     – defect of the thumb;     – long neurovascular island has be marked out to replace soft tissue & to increase the blood supply to the relatively avascular thumb;     – long flap has been marked out on the ulnar border of the middle finger & proximal incision marked on the … Read more