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Review Question - QID 271

QID 271 (Type "271" in App Search)
What is the most common cause for an aggressive lytic bone lesion in a patient above 40-years-old?

Multiple myeloma

9%

235/2547

Post-radiation sarcoma

0%

12/2547

Metastatic bone disease

87%

2228/2547

Paget's sarcoma

1%

19/2547

Lymphoma

2%

48/2547

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The following malignant bone tumors occur most frequently in patients 40-80-years old (in order of decreasing frequency): metastatic bone disease, myeloma, lymphoma, Paget's sarcoma, and post-radiation sarcoma. The skeleton is a common site for metastasis from several visceral carcinomas. Think BLTPK for sources of metastasis: breast, lung, thyroid, prostate, and kidney.

The cited article by Rougraff et al recommends a work-up that includes a history and physical examination, routine laboratory analysis, plain radiography of the involved bone and the chest, whole-body bone scan, and computed tomography of the chest, abdomen, and pelvis. These should all be performed prior to biopsy. Using this diagnostic strategy they were able to identify the primary site of cancer in 85% of patients in their study.

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