4.3 of 44 Ratings
A 14-year-old boy presents to your clinic for right knee pain and abnormal Xrays obtained by his pediatrician. His mother brought him in for worsening right knee pain without a history of trauma. The pain is severe enough that he now has a noticeable limp. On questioning, he states the pain is diffuse about his knee. Additionally, he endorses night pain and minimal relief with anti-inflammatory medications. You obtain an xray and MRI studies to further evaluate the lesion. These are shown in figures A-D. Additionally, you obtain a biopsy for pathologic review shown in figure E. What is the correct pairing of diagnosis and treatment for this patient?
Giant cell tumor of bone, observation
Osteosarcoma, neoadjuvant chemotherapy with wide resection.
Aneurysmal bone cyst, wide resection with radiation therapy
Osteosarcoma, wide resection alone
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a 21-year-old male has 6 months of increasing knee pain and has recently noticed a mass at his knee. Radiographs are shown in Figures A and B. A biopsy specimen of the proximal tibia mass is shown in Figure C. What is the most appropriate first step in management?
Wide surgical excision
Intralesional curettage and bone grafting