Hemithorax white-out

Complete white-out of a hemithorax on the chest x-ray has a limited number of causes. The differential diagnosis can be shortened further with one simple observation - the position of the trachea. Is it central, pulled or pushed from the side of opacification?

Trachea pulled toward the opacified side
Trachea remains central in position
Pushed away from the opacified side

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Article Information

rID: 1439
System: Chest
Sections: Signs, Gamuts
Synonyms or Alternate Spellings:
  • Hemithorax opacification
  • Differential for opacified hemithorax
  • Unilateral white lung
  • White out of the hemithorax
  • Whiteout of the hemithorax
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    Case 1: collapse
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    Case 2: malignant pleural effusion
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    Case 3: pleural effusion
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    Case 4: Ewing sarcoma
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     Case 5: pneumonectomy
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    Case 6: metastatic pleural effusion
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    Case 7: pleural fibroma
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    Case 8: haemothorax
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    Case 9: pleural empyema
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