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Case of the Week 329

What's the most likely diagnosis?

  • 58 year-old male with mild elevation of white blood count

  1. Abscess
  2. Infected bulla
  3. TB
  4. Esophageal Duplication Cyst
  5. Bronchogenic carcinoma

Additional Images - Frontal view of chest three months earlier


Additional Images


Frontal view of chest three months earlier


2. Infected Bulla

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Infected Bulla

General Considerations

  • A bulla is characteristically thin-walled -- < 1 mm
  • Air-filled space
  • Contained within the lung
  • 1 cm in size or greater when distended
  • Walls may be formed by pleura, septa, or compressed lung tissue

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This Week

58 year-old male with mildly elevated white blood count

Part 2 of a 2 part review of 3 different pulmonary diseases that share the acronym "PIE:" Pulmonary Interstitial Edema, Pulmonary Interstitial Emphysema and Pulmonary Infiltrates with Eosinophilia.


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