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Imaging of the colon.
1Bowman-Gray School of Medicine, Winston-Salem, North Carolina.
Current Opinion in Radiology
|June 1, 1991
Summary
Radiologic screening for colorectal cancer using barium enema is increasingly indicated, offering a more effective and cost-efficient alternative to mammography and colonoscopy. Defecography and CT scanning also provide valuable insights into colon diseases.
Area of Science:
- Radiology
- Gastroenterology
- Oncology
Background:
- Colorectal cancer screening is a critical area of public health.
- Advances in radiologic imaging offer new possibilities for early detection and diagnosis.
Purpose of the Study:
- To review current trends and findings in radiologic examinations of the colon.
- To highlight the evolving role of barium enema, defecography, CT, and sonography in colon disease evaluation.
Main Methods:
- Review of recent literature on radiologic colon examinations.
- Analysis of findings from barium enema, defecography, CT scanning, and sonography.
Main Results:
- Barium enema is increasingly used for colorectal cancer screening, showing promise over mammography and colonoscopy.
- Defecography findings are more related to rectal-wall changes than anorectal angle or pelvic floor descent.
- CT scanning is being investigated for colonic diseases like diverticulitis and tuberculosis.
- Sonography is emerging as a new tool for detecting colonic neoplasms.
Conclusions:
- Radiologic imaging, particularly barium enema, plays a vital role in colorectal cancer screening.
- Evolving techniques like CT and sonography offer expanding diagnostic capabilities for various colonic conditions.