Accuracy of computed tomography in detecting intraabdominal and pelvic adenopathy in lymphoma

Computed tomography (CT) is a highly accurate method of detecting intraabdominal and pelvic nodal involvement in patients with lymphoma. The correlation between CT and lymphangiographic findings in this series of 80 surgically proven and nonproven cases was high (84%). CT is superior to lymphangiography in demonstrating abnormality in such areas as the high retrocrural or the mesenteric nodes where contrast material from bipedal lymphangiography does not reach. An abnormal CT scan eliminates the need for lymphangiography, and normal CT scan at 2 cm intervals can exclude retroperitoneal adenopathy with high confidence. If details of internal nodal architecture are required, a lymphangiogram can also be performed. Lymphangiography is also indicated in patients where CT is equivocal either because of lack of fat or gross motion artefacts.
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				B. C. Lucey, J. W. Stuhlfaut, and J. A. Soto Mesenteric Lymph Nodes: Detection and Significance on MDCT Am. J. Roentgenol., January 1, 2005; 184(1): 41 - 44. [Abstract] [Full Text] [PDF]