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Technique guide are not considered high yield topics for orthopaedic standardized exams including the ABOS, EBOT and RC.
During surgical treatment of the most common variation of distal femoral "Hoffa" fractures, which of the following orientations for screw fixation should be used?
Medial to lateral screw placement across lateral femoral condyle
Anterior to posterior screw placement across medial femoral condyle
Medial to lateral screw placement across medial femoral condle
Anterior to posterior screw placement across lateral femoral condyle
Anterior to posterior screw placement across intercondylar notch
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A lateral distal femoral locking plate is not an appropriate implant for which of the following fractures?
Which of the following treatments of an oligotrophic supracondylar femoral nonunion has been shown to have the best outcome?
Retrograde femoral nailing with adjunct BMP-4
Hybrid external fixation with adjunct BMP-4
Usage of a percutaneous locking plate with adjunct BMP-3
Open reduction and plating with autograft
Open reduction and plating with adjunct calcium phosphate
Fixed-angle implants are often used for fixation of distal femur fractures. Three commonly used implants (Implants A, B and C) are shown in Figures A, B and C respectively. Which of the following statements is true reagarding these implants?
Implant B is better able to control fractures with a small distal segment than Implants A and C.
Implant C is better able to control coronal plane fractures than Implants A and B.
During insertion, Implant C results in removal of a larger amount of bone, compared with Implants A and B.
Implant A demonstrates less subsidence and greater load to failure compared with Implant C.
Implant A demonstrates lower fixation strength in torsional loading compared with Implant C
A 33-year-old man sustains a femur fracture in a motorcycle accident. AP and lateral radiographs are provided in Figure A. Prior to surgery, a CT scan of the knee is ordered for preoperative planning. Which of the following additional findings is most likely to be discovered?
Tibial eminence fracture
Sagittal plane fracture of the medial femoral condyle
Schatzker I tibia plateau fracture
Coronal plane fracture of the lateral femoral condyle
Axial plane fracture through the medial femoral condyle
A 44-year-old male is involved in a motorcycle collision and presents with the radiographs shown in Figure A. A CT scan is obtained which shows intra-articular extension of the fracture, and lateral locked plating with intercondylar lag screw fixation is planned. Which of the following is important intra-operatively to ensure that the intercondylar screws are contained within the bone and are of appropriate length?
AP fluoroscopic imaging with the leg in 30 degrees of internal rotation
AP fluoroscopic imaging with the leg in 30 degrees of external rotation
AP fluoroscopic imaging with the knee in full extension
Lateral fluoroscopic imaging with the knee in 30 degrees of internal rotation
Lateral fluoroscopic imaging with the knee in 15 degrees of flexion
Which of the following is the most appropriate clinical scenario to utilize locking plate and screw technology?
Oblique ulnar diaphyseal fracture
Osteoporotic periprosthetic distal femur fracture
Transverse tibial diaphyseal fracture
Spiral humeral diaphyseal-metaphyseal fracture
A 68-year-old healthy active male presents after falling and sustaining an injury to his right knee. His medical history is significant only for osteoporosis. Radiographs and representative CT scan images are shown in Figures A-D. What is the most appropriate treatment method for this patient's injury?
Traction and splinting
Lag screw fixation followed by non-locking plate application
Retrograde supracondylar nail fixation
External fixation and percutaneous screw reduction of the fracture
Lag screw fixation followed by locking plate application