Lung mass CT scan: Difference between revisions

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{{Lung mass}}
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==Overview==
==Overview==
[[CT scan]] is the method of choice for the evaluation of lung mass. On [[CT scan]], characteristic findings of lung mass include single [[pulmonary nodule]] or mass with localized area of [[Parenchymal lung disease|parenchymal]] [[Consolidation (medicine)|consolidation]] and bubble-like areas of low [[attenuation]] within the lung mass (characteristic finding).


==CT scan==
==CT scan==
[[CT scan]] is the method of choice for the evaluation of lung mass. The evaluation of lung mass will depend on several characteristics such as [[calcification]], margins, location, distribution, and [[attenuation]]. On [[Computed tomography|CT scan]], characteristic findings of lung mass, include:
:*Single [[pulmonary nodule]] or mass
:*Localized area of [[Parenchymal lung disease|parenchymal]] [[Consolidation (medicine)|consolidation]]
:*Bubble-like areas of low [[attenuation]] within the lung mass (characteristic finding)
:*[[Hilar lymphadenopathy|Hilar]] and [[mediastinal lymphadenopathy]] is uncommon
:*Persistent peripheral [[Consolidation (medicine)|consolidation]]
====Malignant Lung Mass====
<div align="left">
<gallery heights="175" widths="175">
Image:Bronchogenic-carcinoma-with-upper-lobe-collapse.jpg|'''Bronchogenic lung carcinoma''': upper lobe collapse <br> '''Case courtesy of Dr Ahmed Abd Rabou. <br>Source: Radiopaedia.org''' <ref> href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/29297">rID: 29297</ref>
Image:Bronchogenic-carcinoma-with-lymphangitic-spread.jpg|'''Bronchogenic lung carcinoma''': upper lobe with lymphangitic spread <br> '''Case courtesy of Dr Ahmed Abd Rabou. <br>Source: Radiopaedia.org''' <ref>href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/29002">rID: 29002</ref>
Image:Adenocarcinoma-of-lung-1.jpg| '''Adenocarcinoma of the lung''': ground-glass attenuation corresponds to a lepidic growth pattern and the solid component correspond to invasive patterns. '''Case courtesy of Dr Ahmed Abd Rabou. <br>Source: Radiopaedia.org''' <ref>href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/13226">rID: 13226</ref>
Image:Lung-squamous-cell-carcinoma.jpg|'''Squamous cell lung carcinoma''': Peripheral squamous cell lung carcinoma may be seen as a solid nodule/mass with or without an irregular border. The irregular margin can be attributed to a desmoplastic reaction or infiltrative growth <br>'''Case courtesy of Dr Hani Salam. <br>Source: Radiopaedia.org''' <ref>href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/27915">rID: 27915</ref>
</gallery>
</div>
====Benign Lung Mass====
<div align="left">
<gallery heights="175" widths="175">
Image:Wegener-granulomatosis-3.jpg|'''Wegener granulomatosis'''<br>'''Case courtesy of Dr Ahmed Abd Rabou. <br>Source: Radiopaedia.org''' <ref>href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/8123">rID: 8123 </ref>
</gallery>
</div>


==References==
==References==

Latest revision as of 19:58, 24 June 2019

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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] Akshun Kalia M.B.B.S.[3]

Overview

CT scan is the method of choice for the evaluation of lung mass. On CT scan, characteristic findings of lung mass include single pulmonary nodule or mass with localized area of parenchymal consolidation and bubble-like areas of low attenuation within the lung mass (characteristic finding).

CT scan

CT scan is the method of choice for the evaluation of lung mass. The evaluation of lung mass will depend on several characteristics such as calcification, margins, location, distribution, and attenuation. On CT scan, characteristic findings of lung mass, include:

Malignant Lung Mass

  • Bronchogenic lung carcinoma: upper lobe collapse Case courtesy of Dr Ahmed Abd Rabou. Source: Radiopaedia.org [1]

    Bronchogenic lung carcinoma: upper lobe collapse
    Case courtesy of Dr Ahmed Abd Rabou.
    Source: Radiopaedia.org     [1]

  • Bronchogenic lung carcinoma: upper lobe with lymphangitic spread Case courtesy of Dr Ahmed Abd Rabou. Source: Radiopaedia.org [2]

    Bronchogenic lung carcinoma: upper lobe with lymphangitic spread
    Case courtesy of Dr Ahmed Abd Rabou.
    Source: Radiopaedia.org     [2]

  • Adenocarcinoma of the lung: ground-glass attenuation corresponds to a lepidic growth pattern and the solid component correspond to invasive patterns. Case courtesy of Dr Ahmed Abd Rabou. Source: Radiopaedia.org [3]

    Adenocarcinoma of the lung: ground-glass attenuation corresponds to a lepidic growth pattern and the solid component correspond to invasive patterns. Case courtesy of Dr Ahmed Abd Rabou.
    Source: Radiopaedia.org     [3]

  • Squamous cell lung carcinoma: Peripheral squamous cell lung carcinoma may be seen as a solid nodule/mass with or without an irregular border. The irregular margin can be attributed to a desmoplastic reaction or infiltrative growth Case courtesy of Dr Hani Salam. Source: Radiopaedia.org [4]

    Squamous cell lung carcinoma: Peripheral squamous cell lung carcinoma may be seen as a solid nodule/mass with or without an irregular border. The irregular margin can be attributed to a desmoplastic reaction or infiltrative growth
    Case courtesy of Dr Hani Salam.
    Source: Radiopaedia.org     [4]

Benign Lung Mass

  • Wegener granulomatosis Case courtesy of Dr Ahmed Abd Rabou. Source: Radiopaedia.org [5]

    Wegener granulomatosis
    Case courtesy of Dr Ahmed Abd Rabou.
    Source: Radiopaedia.org     [5]

References

  1. ↑ href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/29297">rID: 29297
  2. ↑ href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/29002">rID: 29002
  3. ↑ href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/13226">rID: 13226
  4. ↑ href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/27915">rID: 27915
  5. ↑ href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/8123">rID: 8123
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