Non small cell lung cancer x ray: Difference between revisions
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==Overview== | ==Overview== | ||
Chest X-ray is the initial imaging method for the diagnostic evaluation of non-small cell lung cancer. The initial evaluation of suspected lung cancer will depend upon the results of the chest X-ray. Further evaluation of suspected lung cancer includes enhanced CT scan | |||
==Chest X Ray== | ==Chest X Ray== | ||
Revision as of 16:22, 8 January 2019
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Non Small Cell Lung Cancer Microchapters |
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Differentiating Non Small Cell Lung Cancer from other Diseases |
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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
Chest X-ray is the initial imaging method for the diagnostic evaluation of non-small cell lung cancer. The initial evaluation of suspected lung cancer will depend upon the results of the chest X-ray. Further evaluation of suspected lung cancer includes enhanced CT scan
Chest X Ray
- Conventional chest radiograph may be helpful in the diagnosis of non-small cell lung cancer.[1][2]
- The majority of non-small cell lung cancers require further evaluation with either CT scan or MRI
- Chest X-ray helps to assess the involvelment of lung and adjacent structures:
- 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
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.