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{{Lung mass}}
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==Overview==
==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 of lung|hilum]], and [[Lobe|lobar]] collapse.


==X ray==
==X Ray==
An x-ray may be helpful in the diagnosis of lung mass. Findings on an x-ray suggestive of lung mass include hyperdense pulmonary mass or cavitating pulmonary mass.
An [[x-ray]] may be helpful in the [[diagnosis]] of lung mass. On an [[x-ray]], lung mass may appear as hyperdense [[Lung|pulmonary]] mass or cavitating [[Lung|pulmonary]] mass. The characteristic findings of lung mass include:<ref name="pmid7208937">{{cite journal |vauthors=Kundel HL |title=Predictive value and threshold detectability of lung tumors |journal=Radiology |volume=139 |issue=1 |pages=25–9 |year=1981 |pmid=7208937 |doi=10.1148/radiology.139.1.7208937 |url=}}</ref>  
*On plain radiograph, characteristic findings of lung mass, include:<ref name="pmid7208937">{{cite journal |vauthors=Kundel HL |title=Predictive value and threshold detectability of lung tumors |journal=Radiology |volume=139 |issue=1 |pages=25–9 |year=1981 |pmid=7208937 |doi=10.1148/radiology.139.1.7208937 |url=}}</ref>  
*Rounded or spiculated mass
:*Rounded or spiculated mass
*Bulky hilum (representing the tumor and local nodal involvement)  
:*Bulky hilum (representing the tumor and local nodal involvement)  
*Lobar collapse
:*Lobar collapse
*[[Cavitation]] may be seen as an air-fluid level
:*[[Cavitation]] may be seen as an air-fluid level
*[[Pleural effusion]]
:*Pleural effusion


===Plain Radiograph===
===Plain Radiograph===
<div align="left">
<div align="left">
<gallery heights="175" widths="175">
<gallery heights="175" widths="175">
Image:Golden-s-sign marked.jpg|'''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
Image:Golden-s-sign marked.jpg|'''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. <br>'''Case courtesy of A.Prof Frank Gaillard. <br>Source: Radiopaedia.org''' <ref> href="https://radiopaedia.org/cases/10552">rID: 10552</ref>
Image:Cavitating-lung-cancer.jpg|'''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
Image:Cavitating-lung-cancer.jpg|'''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. <br>'''Case courtesy of A.Prof Frank Gaillard. <br> Source: Radiopaedia.org'''<ref> href="https://radiopaedia.org/cases/19639">rID: 19639</ref>
Image:Luftsichel-sign-in-lung-cancer.jpg|'''Luftsichel sign''': curvilinear opacity at the left apex represents compensatory hyperinflation of the left lower lobe  
Image:Luftsichel-sign-in-lung-cancer.jpg|'''Luftsichel sign''': curvilinear opacity at the left apex represents compensatory hyperinflation of the left lower lobe. <br> '''Case courtesy of A.Prof Frank Gaillard. <br> Source: Radiopaedia.org'''<ref> href="https://radiopaedia.org/cases/30421">rID: 30421</ref>
Image:Pulmonary-coin-lesion.jpg|'''Coin lesion sign''': round or oval, well-circumscribed lesion, compatible with primary lung cancer
Image:Pulmonary-coin-lesion.jpg|'''Coin lesion sign''': round or oval, well-circumscribed lesion, compatible with primary lung cancer. <br>''' Case courtesy of Dr Ian Bickle. <br> Source:Radiopedia.org''' <ref> href="https://radiopaedia.org/cases/27020">rID: 27020</ref>
</gallery>
</gallery>
</div>
</div>

Latest revision as of 19:49, 24 June 2019

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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:[1]

  • 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

  • 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 [2]

    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     [2]

  • 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[3]

    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    [3]

  • 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[4]

    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    [4]

  • Coin lesion sign: round or oval, well-circumscribed lesion, compatible with primary lung cancer. Case courtesy of Dr Ian Bickle. Source:Radiopedia.org [5]

    Coin lesion sign: round or oval, well-circumscribed lesion, compatible with primary lung cancer.
    Case courtesy of Dr Ian Bickle.
    Source:Radiopedia.org     [5]

References

  1. ↑ 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.
  2. ↑ href="https://radiopaedia.org/cases/10552">rID: 10552
  3. ↑ href="https://radiopaedia.org/cases/19639">rID: 19639
  4. ↑ href="https://radiopaedia.org/cases/30421">rID: 30421
  5. ↑ href="https://radiopaedia.org/cases/27020">rID: 27020
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