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Comparison of MR imaging after barium administration with CT in pelvic disease
L Langmo1, P R Ros, G M Torres
1Department of Radiology, University of Florida College of Medicine, Gainesville 32610-0374.
Abstract:
The use of magnetic resonance (MR) imaging for evaluating the abdomen and pelvis has been limited by the lack of a suitable contrast agent. The purpose of this study was to compare axial MR imaging after rectal barium administration with computed tomography (CT) for delineation of normal anatomy and lesions of the pelvis. MR images and CT scans of 11 patients were studied retrospectively and independently by four radiologists. No substantial differences in the visualization of normal bowel, iliac vessels, lymph nodes, bladder, prostate, seminal vesicles, uterus, and cervix and in detection of abnormalities were seen between CT scans and axial MR images obtained after barium administration. This preliminary study suggests that axial MR imaging with rectal barium is a useful alternative to CT in evaluating pelvic disease.
Insights
Magnetic resonance (MR) imaging of the pelvis is now more effective with rectal barium contrast. This technique showed no substantial differences compared to computed tomography (CT) for visualizing pelvic anatomy and lesions.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Magnetic resonance (MR) imaging for abdominal and pelvic evaluation has been hindered by the absence of effective contrast agents.
- Accurate visualization of pelvic anatomy and pathology is crucial for diagnosis and treatment planning.
Purpose of the Study:
- To compare the efficacy of axial MR imaging with rectal barium administration against computed tomography (CT) for pelvic evaluation.
- To assess the delineation of normal pelvic structures and detection of lesions using both imaging modalities.
Main Methods:
- Retrospective analysis of MR images and CT scans from 11 patients.
- Independent review of imaging data by four radiologists.
- Comparison of visualization of normal bowel, iliac vessels, lymph nodes, bladder, prostate, seminal vesicles, uterus, and cervix.
Main Results:
- No significant differences were observed between CT scans and MR images with rectal barium in visualizing normal pelvic anatomy.
- The detection of abnormalities in the pelvis was comparable between the two imaging methods.
- Axial MR imaging with rectal barium demonstrated similar diagnostic performance to CT.
Conclusions:
- Axial MR imaging following rectal barium administration is a viable alternative to CT for pelvic disease evaluation.
- This MR imaging technique offers comparable visualization of pelvic structures and lesions to CT.
- Further research may establish MR imaging with rectal barium as a standard for pelvic assessments.