Ortho Oracle - orthopaedic operative atlas

Avascular Necrosis of the Scaphoid

        – See:     – Scaphoid Reconstruction for Nonunion     – Vascular Anatomy of Scaphoid: – Discussion:     – may be associated w/ longstanding nonunion of proximal pole fractures, especially when associated w/ previous surgery;     – AVN of scaphoid is often difficult to diagnose radiographically and therefore it … Read more

Cubital Tunnel Syndrome: Submuscular / Intra-muscular Transposition

– Discussion:     – in the presence of  H.O. the nerve should be placed in the subcutaneous position, since H.O. forms between muscle layers;     – sub-muscular transposition (or subQ transposition) is also indicated to relieve tension following ulnar nerve repairs;     – is often indicated in revision cubital tunnel surgery;   … Read more

CT Scan for Scaphoid Frx

– Discussion:     – plain x-rays may fail to demonstrate dorsal angulation of proximal pole-lunate complex and the concomitant flexion of distal pole;     – CT scan is indicated w/ any hint of foreshortening due to angulation is suspected;     – scaphoid may be well visualized w/ 6-8 CT sections made along true longitudinal axis; … Read more

Compartment Syndromes of Hand and Forearm

– Antebrachial Compartment Syndrome: (see compartment syndrome menu)     – causes:           – may follow supracondylar fr(x) of humerus, or both bone forearm fractures;           – compartment syndromes in the forearm after wrist fractures usually involve the volar compartment;      – compartment syndrome monitoring     – technique of forearm fasciotomy: (see … Read more