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What is the most common anatomical site for unicameral bone cysts in children?
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A 14-year-old boy is brought to the emergency department after falling onto his right shoulder. Radiographs are shown in Figure A. Which of the following is most likely complication to occur with curettage and bone grafting of this lesion?
Metastases to the lungs
Recurrence of the lesion
Limb-length discrepancy of the affected side compared to the contralateral side
Continued pain in the affected extremity
An 8-year-old boy injures his arm pulling open a car door. A radiograph is shown in Figure A. Which of the following is the most likely diagnosis and preferred initial treatment?
Giant cell tumor of bone, Open biopsy and curettage of tumor
Unicameral bone cyst, Aspiration of fluid and injection of bone cement
Non-Ossifying Fibroma, Radiation
Unicameral bone cyst, Sling and swath
Telangietic osteosarcoma, Chemotherapy
A 15-year-old boy twists his ankle and is brought to the emergency room. Radiographs are shown in Figure A. What is the most likely progression of the this lesion as the child reaches skeletal maturity?
Increase in size and involve the entire bone
Decrease in size and may disappear altogether
Turn into a malignant tumor
Lead to deformity of the affected bone
An 8-year-old boy complains of left shoulder pain after a collision with his younger brother. He was asymptomatic prior to the incident. Which of the following treatments is most appropriate at this time?
Aspiration and injection of methylprednisolone acetate
Open reduction, internal fixation
Initiation of radiation and chemotherapy
Immobilization in sling
A 9-year-old child presents to your office after he felt a painful snap in his arm while throwing a baseball. He is otherwise in good health and has no family history of disease. A radiograph of his arm is shown in Figure A. What is the next step in your management?
Sling for comfort
Open reduction with internal fixation
A 7-year old boy experienced severe right hip pain following ice-skating. He previously had no hip pain and is otherwise healthy. Radiographs are shown in figures A and B. What is the recommended treatment ?
Open biopsy and pathological staging without fracture fixation
Open reduction and internal fixation with bone grafting of the bone cyst
Bedrest for 4 weeks followed by progressive weight-bearing as tolerated
Immediate hip spica casting
Tibial traction pin with 4 weeks of skeletal traction followed by open biopsy
An 11-year-old boy presents with acute right arm pain after throwing a baseball. He is otherwise healthy and has no other complaints. Radiograph and CT scan of the lesion are shown in Figures A and B. What is the most appropriate treatment?
Intramedullary nailing and chemotherapy
Wide resection and radiation therapy
Figure 16 shows the radiograph of a 7-year-old boy who sustained a pathologic fracture of the left humerus 1 day ago. Initial management should consist of
a sling and swathe.
needle biopsy of the lesion.
a corticosteroid injection of the lesion.
curettage and bone packing of the lesion.
insertion of an intramedullary rod.