Non small cell lung cancer x ray
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
On conventional radiography, characteristic findings of non-small cell lung cancer include rounded or spiculated mass, bulky hilum (representing the tumor and local nodal involvement) and lobar collapse.[1]
Chest X Ray
- Conventional chest radiograph may be helpful in the diagnosis of non-small cell lung cancer
- The majority of non-small cell lung cancers require further evaluation with either CT scan or MRI
- Common features of conventional radiography to perform the diagnosis of non-small cell lung cancer include:[2]
- Primary detection and characterization of parenchymal tumor
- Assessment of main bronchi and tracheal involvement
- Detection of chest wall invasion
- Assessment of hilar and mediastinal invasion/adenopathy
- Detection of obstructive atelectasias and signs of pneumonitis
- Detection of pleural effusion
- On conventional radiography, characteristic findings of non-small cell lung cancer include:[2]
- 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
- On conventional radiography, signs of non-small cell lung cancer include:[2]
- 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) : right upper lobar collapse (the right upper lobe appearing dense and shifting medially and upwards, with a central mass expanding the hilum
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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
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Luftsichel sign: curvilinear opacity at the left apex represents compensatory hyperinflation of the left lower lobe
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Coin lesion sign: round or oval, well-circumscribed lesion, compatible with primary lung cancer
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Bronchial cut off sign: abrupt truncation of a bronchus from obstruction
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Malignant pleural effusion
References
- ↑ Rosado-de-Christenson ML, Templeton PA, Moran CA (1994). "Bronchogenic carcinoma: radiologic-pathologic correlation". Radiographics. 14 (2): 429–46, quiz 447–8. doi:10.1148/radiographics.14.2.8190965. PMID 8190965.
- ↑ 2.0 2.1 2.2 Kundel HL (1981). "Predictive value and threshold detectability of lung tumors". Radiology. 139 (1): 25–9. doi:10.1148/radiology.139.1.7208937. PMID 7208937.