Board Review Questions of the Week – Bone Tumors

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Free bone tumor board review questions sample from Med-Challenger.

Med-Challenger offers bone tumor review along with everything else for diagnosing and treating a variety of medical oncology disorders with in-depth review questions with detailed explanations. More free medical oncology review questions can be accessed via this week’s Quick Quiz, and via free trial of the following specialty courses:

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This week’s case-based question:


A 44-year-old female with no significant medical history presents after sustaining a fall in her home approximately 1 hour ago. She was walking across her kitchen floor when she suddenly slipped and fell. She had to call her son to come downstairs and help her get up after not being able to stand on her own. She says she feels a sharp pain in her left hip and describes the pain intensity of 8 on a scale of 10 and says it does not radiate. She says she is not able to bear any weight on the left side. Her vital signs are as follows: blood pressure 142/82 mm Hg; pulse 105 beats/minute; respirations 20 breaths/minute, and temperature is within normal limits. On physical examination, the left leg is externally rotated but not shortened and point tenderness is prominent on the lateral aspect of the left hip. There is also evidence of swelling and redness surrounding the left hip. Laboratory results are significant for hypercalcemia (11.4 mg/dL). All other labs are within normal limits.

Bone Tumors Q03 – Discuss the differential diagnosis of large lytic lesions of bone

An x-ray of the hip is depicted below:

Biopsy of the lesion reveals malignant fibroblasts and collagen.

What is the most likely diagnosis?

Answer Options

fracture of the hip
fibrosarcoma
osteoid osteoma
Paget’s disease
Ewing sarcoma

And the answer is …


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