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Abdomen » Gastrointestinal
Pseudo-kidney sign
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Presentation This is the scan in a young man with lymphoma who presented with pain in the abdomen.
 
 
 
Caption: Sagittal scan in the left lower quadrant
Description: A loop of the bowel is thickened and demonstrates the classic ‘pseudo-kidney’ sign.
 
 
 
Caption: Transverse scan of the left lower quadrant
Description: The pseudo-kidney sign is seen here again, which is a non-specific indicator of bowel disease. There is thickening of the bowel wall with the mucosal surface seen apposed together in the center as echogenic stripe.
 
Differential Diagnosis Lymphoma, carcinoma, inflammatory colitis such as Crohn’s disease, ulcerative colitis, infectious colitis
 
Final Diagnosis Lymphomatous involvement of the bowel
 
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