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Case of the Week 390 
What is the most likely diagnosis?
- 47 year-old with abdominal fullness
Axial CT scan of abdomen
- Small bowel obstruction
- Carcinoid tumor
- Mesenteric lymphoma
- Midgut volvulus
- Ruptured aortic aneurysm
Additional Image - Another axial CT scan of abdomen
Additional Images
Axial CT scan of abdomen
Answer:
.
3. Mesenteric Lymphoma
.
.
More (Click Discussion Tab)
Mesenteric Lymphoma (Sandwich Sign)
General Considerations
- CT appearance of mesenteric fat and vessels "sandwiched" between two nodular layers of mesenteric lymphadenopathy
- Also seen on ultrasound
- Highly suggestive of mesenteric lymphoma
- Usually non-Hodgkin's variety (NHL)
- Mesenteric masses occur in 30-50% of patients with NHL
.
This Week
47 year-old with abdominal fullness |
This video podcast reviews fifty more imaging signs including the hot nose sign, the corkscrew sign and the rat-bite sign. Along with Video Podcasts 53 and 54, this brings to a total of 150 Imaging Signs from LearningRadiology.com |
Some of the fundamentals of interpreting chest images |
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology |
Recognizing normal and key abnormal intestinal gas patterns, free air and abdominal calcifications |
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls |
How to recognize the most common arthritides |
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| LearningRadiology.com |
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology. |
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