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Case of the Week 529


What is the most likely diagnosis?

  • 73 year-old with pyuria



Axial CT scan through pelvis

  1. Lymphoma
  2. Avascular Necrosis of the Hips
  3. Emphysematous Cystitis
  4. Rectal Carcinoma
  5. Uterine Fibroids

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Additional Images


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Answer:

 

3. Emphysematous Cystitis

 

More (Click Discussion Tab)

 

 

Emphysematous Cystitis

General Considerations

  • Acute inflammation of bladder mucosa and underlying muscle
  • Diabetes mellitus, frequently poorly controlled, is present in 50-80% of cases
  • Other predisposing conditions
    • Chronic urinary tract infections
    • Neurogenic bladder
    • Bladder outlet obstruction
  • Women are affected twice as often as men
  • Gas-forming organisms most often found include E. coli and Enterobacter aerogens, with Clostridia and Candida species found on occasion

MORE . . .

 


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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.