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Case of the Week 468


What is the most likely diagnosis?

  • 47 year-old with chronic productive cough



Contrast-enhanced Axial CT of Chest

  1. Eosinophilic Granuloma
  2. Staphylococcal Pneumonia
  3. Cystic Bronchiectasis
  4. Cystic Adenomatoid Malformation
  5. Sarcoid

Additional Images - Frontal and Lateral Chest Radiograph

 

Additional Images

 

Frontal and Lateral Chest Radiograph


Answer:

 

3. Cystic Bronchiectasis

 

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Cystic Bronchiectasis

General Considerations

  • Pathologic dilation of the proximal and medium sized airways from weakening or destruction of their walls
  • Three major causes are: obstruction, infection and traction, the most common being infectious
  • Bronchiectasis may occur when there is prolonged partial obstruction, e.g. slow- growing neoplasms, foreign bodies
  • Infection produces bronchial wall obstruction and is most important cause of bronchiectasis

MORE . . .

 


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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.