Data Trace Editor – Discussion: – an uncommon type of osteosarcoma w/ early pulmonary metastasis & an especially poor prognosis; – telangiectatic osteosarcoma has a complex karyotypes with multiple chromosomal abnormalities. – Differential Dx: – Aneurysmal bone cyst; – this is both radiographically and pathologically similar to … Read more
– See: – Skin Grafts: for hand defects; – Discussion: – indicate for soft tissue contracture including Dupuytren’s; – Technique: – all three parts of the Z plasty should always be of equal length; – angle: most often a 60 deg Z plasty is used; … Read more
– Discussion: – w/ ankle fractures that occur above the syndesmosis, the lateral and/or medial malleolus, should be fixed first; – subsequently, look for objective evidence of syndesmotic widening; – stabilization of syndesmosis may be achieved by placing one or two screws between … Read more
– see forearm compartment syndrome; – Discussion: – see forearm flexors – in forearm, both volar & dorsal compartments must be relieved by two incisions placed at 180 deg to each other; – release of volar compartment may quell elevated dorsal compartment; – on volar surface, lacertus fibrosis (proximally) & … Read more
– See: – Foot Inclusion: – Safe Zone of Pin Insertion: – Debridment: – aggressive & repeated debridments of all devitalized tissue, including large fragments of bone; – consider debridment of bone ends with a hall burr inorder to promote bony opposition and compression; – … Read more
– Discussion: – all seven cervical vertebra and the C7-T1 junction are visualized; – Technique: – patient is supine. head is straight in the neutral position; – central beam is directed horizontally to a point 2.5 – 3.0 cm caudal to … Read more
– Discussion: – 1st guide wire marks femoral anteversion; – 2nd guide wire marks direction of seating chisel and should be driven into the femoral neck parallel to 1st guide wire; – note that because the greater trochanter lies slightly posterior to the femoral neck, the guide wire needs to be placed slightly anterior to … Read more
– Discussion: – indicated when vessel anastomosis cannot be performed w/o tension; – Vein Graft Harvest: – donor site: – dorsum of hand, dorsal and volar aspect of forearm, & dorsum of foot; – veins should roughly approximate the diameter of … Read more
– See: Diagrams kindly … Read more
– See: – OCS Application and Correction – Notes for Wrightlock Spinal Fixation System: Technique Overview: The typical hook placement for a Type III scoliotic curve of about 65 degrees (Figure 1) is derived from that recommended by Harrington. Normally, a six hook construct is used. Couplers are placed between the upper and middle sets … Read more