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. 2010 Aug 1;4(8):22–28. doi: 10.3941/jrcr.v4i8.487

Table 2.

Differential diagnosis of duodenal plasmacytoma

CT MRI-T1 MRI-T2 MRI-DWI Pattern of contrast enhancement PET
Plasmacytoma

  • -Wall thickening

  • -Polypoid lesion

 Intermediate Variable Restricted Mild to moderate Increased tracer uptake
Adenocarcinoma

  • -Wall thickening

  • -Polypoid lesion

  • -Duodenal obstruction

 Intermediate Variable Restricted Mild Increased tracer uptake
Lymphoma

  • -Wall thickening

  • -Polypoid lesion

  • -Aneurysmal dilatation

 Intermediate (homogeneous) High (heterogeneous) Restricted Mild to moderate Increased tracer uptake