biopsy-principles-techniques
A 19-year-old male presents with a 2-month history of progressive right thigh pain and swelling. MRI reveals an 8cm destructive lesion in the distal femoral metaphysis with cortical breach, soft tissue extension, and heterogeneous enhancement. The radiological differential includes osteosarcoma, Ewing sarcoma, and lymphoma. The referring hospital asks whether they should perform an open biopsy before transfer to a sarcoma center. Regarding biopsy principles in musculoskeletal oncology:
Mark each as TRUE or FALSE
The Mankin study (1982, updated 1996) demonstrated that biopsies performed at referring centers had ...
The cardinal principle is that the biopsy should be performed by or in consultation with the surgeon...
Core needle biopsy has inferior diagnostic accuracy compared to open biopsy and should not be used f...
Image-guided core needle biopsy (11-14 gauge) achieves 90-95% diagnostic accuracy for bone and soft ...
The biopsy tract must be aligned with the planned resection; longitudinal incisions along the extrem...
Answer the questions to see explanations
Click T (True) or F (False) for each option