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Bone marrow biopsy changes in the iliac bone mimicking multiple colonic polypi.
1Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110.
Australasian Radiology
|August 1, 1990
Summary
Barium enema examinations can reveal artifacts mimicking colonic polyps. This study identifies a novel artifact caused by iliac bone marrow biopsy, distinct from known bony structures.
Area of Science:
- Radiology
- Gastroenterology
- Medical Imaging
Background:
- Colonic polyp simulation on barium enema examination can arise from various entities.
- Extraluminal mimics, particularly round bony structures like vertebral pedicles, are recognized causes of such simulations.
Observation:
- A previously undescribed artifact simulating colonic polyps during barium enema examination was observed.
- This artifact was traced to the site of an iliac bone marrow biopsy.
Findings:
- The artifact is specifically related to the post-biopsy changes in the ilium.
- Unlike vertebral pedicles, this artifact originates from a soft tissue intervention rather than inherent bony anatomy.
Implications:
- Radiologists and gastroenterologists should be aware of this new potential artifact.
- Accurate interpretation of barium enemas requires differentiating post-biopsy changes from actual colonic polyps to avoid misdiagnosis.