Small intestinal tumor
DDx
Benign
- Adenomatous polyp
 - Villous adenoma
 - Lipoma
 - Benign stromal tumor (leiomyoma)
 - Crohn's disease (may mimic tumor)
 
- Adenocarcinoma, especially in ampulla of Vater
 - Lymphoma (primary or secondary)
 - Carcinoid
 - Leiomyosarcoma
 - Kaposi's sarcoma
 
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Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "Small Intestinal Tumor." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114491/1/Small_intestinal_tumor. 
Zeiger RFR. Small intestinal tumor. Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114491/1/Small_intestinal_tumor. Accessed November 4, 2025.
Zeiger, R. F. (2014). Small intestinal tumor. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114491/1/Small_intestinal_tumor
Zeiger RFR. Small Intestinal Tumor [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2025 November 04]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114491/1/Small_intestinal_tumor.
* Article titles in AMA citation format should be in sentence-case
TY  -  ELEC
T1  -  Small intestinal tumor
ID  -  114491
A1  -  Zeiger,Roni F,
Y1  -  2014/12/01/
BT  -  Diagnosaurus
UR  -  https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114491/1/Small_intestinal_tumor
PB  -  McGraw-Hill Education
ET  -  4
DB  -  Emergency Central
DP  -  Unbound Medicine
ER  -  

Diagnosaurus

