Comparison of Cross sectional Imaging Features of Colorectal Lymphoma and Colorectal Adenocarcinoma

What are the cross sectional imaging features that help to distinguish colorectal lymphoma from adenocarcinoma?

Comparison of Cross sectional Imaging Features of Colorectal Lymphoma and Colorectal Adenocarcinoma

LYMPHOMAADENOCARCINOMA
Effect on adjacent soft tissuesGeneral preservation of surrounding visceral fatMay be associated with invasion of adjacent visceral fat and other organs
Bowel obstructionNoYes
Bowel lumenAneurysmal dilationAnnular narrowing
Wall thickeningMild, smooth, concentricSevere, irregular, eccentric
Transition from normal to abnormal wall thicknessGradualAbrupt with shouldering
Length of affected segmentSegmental or focalFocal (<5 cm)
LymphadenopathyBulky mesenteric and/or retroperitoneal lymph nodes are commonEnlarged lymph nodes tend to be less bulky than in lymphoma, predominantly in pericolic or mesenteric locations
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