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Osteoblastic metastases from breast carcinoma with false-negative bone scan
P L Munk1, P Y Poon, J X O'Connell
1Department of Radiology, Vancouver Hospital and Health Sciences Center, University of British Columbia, Canada.
Skeletal Radiology
|July 1, 1997
Summary
A case study reveals metastatic breast cancer with dense bone metastases missed by bone scans but detected by CT, radiography, and biopsy. This highlights potential discrepancies in detecting bone metastases.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Metastatic breast carcinoma commonly affects bone.
- Bone scintigraphy (bone scan) is a standard imaging technique for detecting bone metastases.
Observation:
- A patient with metastatic breast carcinoma presented with multiple, densely sclerotic bone metastases identified on radiography and computed tomography (CT).
- Despite radiographic and CT evidence, the bone scan was negative for metastatic disease.
Findings:
- Bone biopsy confirmed the presence of metastatic breast carcinoma.
- This case demonstrates a scenario where bone scintigraphy can yield false-negative results in the presence of confirmed bone metastases.
Implications:
- Radiologists and oncologists should consider the limitations of bone scans in specific cases of breast cancer bone metastases.
- Integrating multiple imaging modalities (radiography, CT) and biopsy is crucial for accurate diagnosis and staging.