The clinical and imaging spectrum of pancreaticoduodenal lymph node enlargement

Autor: Peter L. Choyke, David M. Paushter, M H Jaffe, Edward G. Grant, Robert K. Zeman, L R Clark, Mark L. Schiebler
Rok vydání: 1985
Předmět:
Zdroj: American Journal of Roentgenology. 144:1223-1227
ISSN: 1546-3141
0361-803X
DOI: 10.2214/ajr.144.6.1223
Popis: Pancreaticoduodenal lymph node enlargement, regardless of cause, has been a source of imaging confusion because of its propensity to mimic pancreatic malignancy yet not cause biliary obstruction. Thirty-eight patients with pancreaticoduodenal adenopathy were imaged with several methods. Pancreaticoduodenal lymphadenopathy could be distinguished from intrinsic pancreatic abnormality on only 44% (14/32) of CT scans and 54% (6/11) of sonograms. Demonstration of intact tissue planes separating adenopathy from pancreas and, to a lesser degree, extrapancreatic vascular displacement were the most helpful diagnostic signs. Surprisingly, 31% of patients had biliary obstruction. Care must be taken in distinguishing metastatic lymphadenopathy from primary pancreatic tumors. The presence or absence of jaundice should not be considered a helpful sign.
Databáze: OpenAIRE