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Lymph nodes in the hepato-duodenal ligament. A comparison between ultrasound and low-field MR imaging
K Lyttkens1, P Hannesson, H Prytz
1Department of Diagnostic Radiology, University Hospital, Lund, Sweden.
Acta Radiologica (Stockholm, Sweden : 1987)
|July 1, 1996
Purpose:
We investigated whether a low-field MR unit (0.2 T) could demonstrate and determine the size of the lymph nodes in the hepato-duodenal ligament that were previously found on ultrasound.
Material And Methods:
Eighteen patients were examined with ultrasound, MR and liver biopsy on consecutive days.
Results:
Two-thirds of the enlarged nodes detected by ultrasound were also detected with the low-field MR technique. However, the size of the nodes was slightly larger on ultrasound.
Conclusion:
Compared to low-field MR, ultrasound appears to be superior in the evaluation of lymph nodes in the liver hilus.