Squamous cell carcinoma of the lung chest x ray

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Shanshan Cen, M.D. [2] Maria Fernanda Villarreal, M.D. [3]

Overview

On chest X ray, characteristic findings of squamous cell carcinoma of the lung, include: rounded or spiculated mass, bulky hilum (representing the tumor and local nodal involvement) and lobar collapse.

Chest X Ray

• Conventional chest radiograph may be helpful in the diagnosis of squamous cell carcinoma of the lung
• The majority of squamous cell carcinomas of the lung require further evaluation with CT scan and MRI
• Common features of conventional radiography to perform the diagnosis of squamous cell carcinoma of the lung, include:

• Primary detection and characterization of parenchymal tumor
• Assessment of main bronchi and tracheal involvement
• Detection of chest wall invasion
• Assessment of hiliar and mediastinal invasion/adenopathy
• Detection of obstructive atelectasias and signs of pneumonitis

• On conventional radiography, characteristic findings of squamous cell carcinoma of the lung, 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

• On conventional radiography, signs of squamous cell carcinoma of the lung, include:

• Golden "S" sign: created by a central mass obstructing the upper lobe bronchus and should raise suspicion of a primary lung cancer. Usually seen with right upper lobe collapse.
• Coin lesion: round or oval, well-circumscribed lesion
• Luftsichel sign: curvilinear opacity represents compensatory hyperinflation of the lobe
• Bronchial cut off sign: abrupt truncation of a bronchus from obstruction

Gallery

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  Golden "S" Sign (or reverse "S" sign of Golden) :Chest x-ray demonstrates increased density in the upper medial hemithorax with loss of volume, and shift of the trachea to the right. A mass is present at the right hilum. via, radiopedia.com Case courtesy of A.Prof Frank Gaillard

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  Squameous 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 via, radiopedia.com Case courtesy of A.Prof Frank Gaillard,

• 

  Luftsichel sign: curvilinear opacity at the left apex represents compensatory hyperinflation of the left lower lobe via, radiopedia.com Case courtesy of A.Prof Frank Gaillard,

• 

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

• 

  Bronchial cut off sign: abrupt truncation of a bronchus from obstruction via radiopedia.org Case courtesy of Dr Chris O'Donnell,

References

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