Normal Lymph Nodes Seen on CT

Normal Abdominal Lymph Nodes in Adolescents and Adults: CT1

 
Location Short Axis Nodal Diamter(mm)
Retrocural < 6
Paracardiac < 8
Mediastinal <102
Gastrohepatic ligament < 8
Upper paraaortic < 9
Portacaval < 10
Portahepatis < 7
Lower paraaortic < 11
References: < br>1.  Dorfman RE, Alpern MB, Gross BH, Sandler MA.  Upper abdominal lymph nodes:criteria for normal size determined with CT.  Radiology 1991; 180:319-322.  Table modified and used with permission for this Website.
2.  Newman B, Arcement CM, Siegel MJ.  CT and MR imaging of mediastinal masses in children.  Current Concepts in Body Imaging at the Millenium.  RSNA Syllabus 1999


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