Pneumothorax

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  • Bullous disease of the lungs- Numerous thin-walled, air-containing structures that represent the walls of numerous bullae. The lineal densities are characteristic for bullae on conventional radiography.
  • CT scan on the same patient shows the same thin-walled bulla
  • Pneumothorax

    1. 1. PNEUMOTHORAX Gas in the pleural space www.medicinemcq.com 1
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    3. 3. DIAGNOSIS  Pleuritic chest pain  Acute-onset dyspnea  Decreased breath sounds on affected side www.medicinemcq.com 3
    4. 4. Plain x-ray  Usually diagnostic  Expiratory film • May demonstrate small pneumothoraces that are not visible on inspiratory films  Only slightly more sensitive than inspiratory films  Not routinely recommended www.medicinemcq.com 4
    5. 5. Chest CT  To identify associated pathology  Differentiate pneumothorax from emphysematous blebs www.medicinemcq.com 5
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    9. 9. Types  Traumatic • Penetrating or nonpenetrating chest injuries  Spontaneous • Without trauma to the thorax  Primary spontaneous • No underlying lung disease  Secondary spontaneous • Underlying lung disease present www.medicinemcq.com 9
    10. 10. Primary spontaneous pneumothorax  Due to rupture of apical pleural blebs • Small cystic spaces that lie within, or immediately under, the visceral pleura  Almost exclusively in smokers  50% will have a recurrence www.medicinemcq.com 10
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    14. 14. Treatment  Simple aspiration  Thoracoscopy with stapling of blebs and pleural abrasion • If the lung does not expand with aspiration • Recurrent pneumothorax  100% successful in preventing recurrences For rest of the slides, visit www.medicinemcq.com > Respiratory System 14

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