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Case of the Week 475 
What is the most likely diagnosis?
- 63 year-old male with fever, tachycardia and leukocytosis
Supine radiograph of the abdomen
- Small bowel obstruction
- Perforation of the feeding tube
- Toxic megacolon
- Intussusception
- Ankylosing spondylitis
Additional Images - None
Additional Images
None
Answer:
3. Toxic megacolon
More (Click Discussion Tab)
Toxic Megacolon (Toxic Colitis)
General Considerations
- Potentially lethal dilation of all or part of the colon associated with acute toxic colitis
- Toxic colitis is a clinical diagnosis; it may be associated with megacolon
- Dilation of the colon can occur without toxicity and toxicity can occur without dilatation of the colon
- Originally described as a complication of ulcerative colitis but it may complicate ischemic, infectious, pseudomembranous and inflammatory colitidies
MORE . . .
.
This Week
63 year-old male with fever, tachycardia and leukocytosis |
Presented as a series of cards, this podcast asks some of the most common causes of neuroimaging findings and diseases making it ideal for a quick review. Can be used as either an audio only or audio/video podcast.; Complements Video Flashcard Podcasts 15, 21,25, 38, 42, 46 and 47. |
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. |
