Lung mass x ray

Lung Mass Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Akshun Kalia M.B.B.S.[2]

Overview

An x-ray may be helpful in the diagnosis of lung mass. Findings on an x-ray suggestive of lung mass include rounded or spiculated mass, bulky hilum, and lobar collapse.

X Ray

An x-ray may be helpful in the diagnosis of lung mass. On an x-ray, lung mass may appear as hyperdense pulmonary mass or cavitating pulmonary mass. The characteristic findings of lung mass include:

• Rounded or spiculated mass
• Bulky hilum (representing the tumor and local nodal involvement)
• Lobar collapse
• Cavitation may be seen as an air-fluid level
• Pleural effusion

Plain Radiograph

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  Golden "S" Sign (or reverse "S" sign of Golden) : right upper lobar collapse (the right upper lobe appearing dense and shifting medially and upwards, with a central mass expanding the hilum.
  Case courtesy of A.Prof Frank Gaillard.
  Source: Radiopaedia.org

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  Squamous cell lung cancer: lung cavitating mass left upper lobe adjacent to the oblique fissure. The prominent air-fluid level is best seen on the lateral radiograph.
  Case courtesy of A.Prof Frank Gaillard.
  Source: Radiopaedia.org

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  Luftsichel sign: curvilinear opacity at the left apex represents compensatory hyperinflation of the left lower lobe.
  Case courtesy of A.Prof Frank Gaillard.
  Source: Radiopaedia.org

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  Coin lesion sign: round or oval, well-circumscribed lesion, compatible with primary lung cancer.
  Case courtesy of Dr Ian Bickle.
  Source:Radiopedia.org