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*The table below summarizes the classification of lung masses according to histopathological origin, and location.<ref name="pmid16389188">{{cite journal |vauthors=Macchiarini P |title=Primary tracheal tumours |journal=Lancet Oncol. |volume=7 |issue=1 |pages=83–91 |date=January 2006 |pmid=16389188 |doi=10.1016/S1470-2045(05)70541-6 |url=}}</ref><ref name="pmid9845721">{{cite journal |vauthors=Wilson RW, Frazier AA |title=Pathological-radiological correlations: pathological and radiological correlation of endobronchial neoplasms: part II, malignant tumors |journal=Ann Diagn Pathol |volume=2 |issue=1 |pages=31–4 |date=February 1998 |pmid=9845721 |doi= |url=}}</ref><ref name="pmid19168836">{{cite journal |vauthors=Park CM, Goo JM, Lee HJ, Kim MA, Lee CH, Kang MJ |title=Tumors in the tracheobronchial tree: CT and FDG PET features |journal=Radiographics |volume=29 |issue=1 |pages=55–71 |date=2009 |pmid=19168836 |doi=10.1148/rg.291085126 |url=}}</ref><ref name="wiki">Pulmonary mass. Dr.Jeremy Jones. Radiopedia. http://radiopaedia.org/articles/pulmonary-mass Accessed on March 22,2016</ref>
*The table below summarizes the classification of lung masses according to histopathological origin, and location.<ref name="pmid16389188">{{cite journal |vauthors=Macchiarini P |title=Primary tracheal tumours |journal=Lancet Oncol. |volume=7 |issue=1 |pages=83–91 |date=January 2006 |pmid=16389188 |doi=10.1016/S1470-2045(05)70541-6 |url=}}</ref><ref name="pmid9845721">{{cite journal |vauthors=Wilson RW, Frazier AA |title=Pathological-radiological correlations: pathological and radiological correlation of endobronchial neoplasms: part II, malignant tumors |journal=Ann Diagn Pathol |volume=2 |issue=1 |pages=31–4 |date=February 1998 |pmid=9845721 |doi= |url=}}</ref><ref name="pmid19168836">{{cite journal |vauthors=Park CM, Goo JM, Lee HJ, Kim MA, Lee CH, Kang MJ |title=Tumors in the tracheobronchial tree: CT and FDG PET features |journal=Radiographics |volume=29 |issue=1 |pages=55–71 |date=2009 |pmid=19168836 |doi=10.1148/rg.291085126 |url=}}</ref><ref name="wiki">Pulmonary mass. Dr.Jeremy Jones. Radiopedia. http://radiopaedia.org/articles/pulmonary-mass Accessed on March 22,2016</ref>
 
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{| style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align="center"
{| style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align="center"
! colspan="3" style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" |{{fontcolor|#FFF|'''Classification of Benign and Malignant Pulmonary Mass'''}}
! colspan="3" style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" |{{fontcolor|#FFF|'''Classification of Benign and Malignant Pulmonary Mass'''}}
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*The table below summarizes the classification of lung masses according to imaging features.<ref name="wiki">Pulmonary mass. Dr.Jeremy Jones Radiopedia. http://radiopaedia.org/articles/pulmonary-mass Accessed on March 22,2016</ref>
*The table below summarizes the classification of lung masses according to imaging features.<ref name="wiki">Pulmonary mass. Dr.Jeremy Jones Radiopedia. http://radiopaedia.org/articles/pulmonary-mass Accessed on March 22,2016</ref>
 
<small>
{| style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align="center"
{| style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align="center"
! colspan="2" style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" |{{fontcolor|#FFF|'''Imaging features of lung mass'''}}
! colspan="2" style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" |{{fontcolor|#FFF|'''Imaging features of lung mass'''}}
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:*Bronchogenic cyst
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</small>
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}

Revision as of 21:16, 23 March 2018

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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

Lung mass may be classified into two types malignant or benign lung mass. In addition, lung mass can be sub-classified according to location, imaging features, and distribution.

Classification

Lung masses may be classified by location, histopathological origin, and imaging features into the following types:


 
 
 
 
 
 
 
Lung mass
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Location
 
 
 
Histology
 
 
 
Imaging Features
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
•Pleural
•Endobronchial
•Parenchymal
 
 
 
•Malignant mass
•Benign mass
 
 
 
•Hyperdense pulmonary mass
•Cavitating pulmonary mass


  • The table below summarizes the classification of lung masses according to histopathological origin, and location.[1][2][3][4]

Classification of Benign and Malignant Pulmonary Mass
Lung mass (location) Benign Malignant
Endobronchial
  • Bronchial atresia
  • Bronchial hamartoma
  • Bronchogenic cysts
  • Pulmonary bacterial abscess
  • Bronchial anthracofibrosis
  • Allergic bronchopulmonary aspergillosis
  • Squamous dysplasia of lung
  • Squamous cell lung carcinoma
Parenchymal
  • Granuloma
  • Pulmonary hamartoma
  • Pulmonary bacterial abscess
  • Pulmonary infract septic
  • Pulmonary emboli
  • Bronchogenic carcinoma
  • Carcinoid tumors
  • Pulmonary metastases
  • Papillary thyroid carcinoma
  • Giant cell tumor of bones
  • Synovial sarcoma
Pleural
  • Pleural effusion
  • Empyema
  • Hemothorax
  • Lipoma
  • Splenosis
  • Tuberculosis
  • Mesothelioma
  • Metastasic pleural disease
  • Invasive thymoma
  • Pleural fibrosarcoma
  • Pleural liposarcoma
  • Primary pleural lymphoma
  • Pleural synovial sarcoma

  • The table below summarizes the classification of lung masses according to imaging features.[4]

Imaging features of lung mass
Hyperdense pulmonary mass Cavitating pulmonary mass
  • Granuloma (most common)
  • Pulmonary hamartoma
  • Bronchogenic carcinoma
  • Carcinoid tumours
  • Pulmonary metastases:
  • Mucoid calcification of mucinous adenocarcinoma
  • Breast carcinoma
  • Gastrointestinal tract adenocarcinoma
  • Dystrophic calcification:
  • Papillary thyroid carcinoma
  • Giant cell tumor of bone
  • Synovial sarcoma
  • Treated pulmonary metastases
  • Osteosarcoma
  • Chondrosarcoma

Cancer

  • Bronchogenic carcinoma (most common)
  • Squamous cell carcinoma

Autoimmune

  • Granulomas (Wegener's granulomatosis)
  • Rheumatoid arthritis
  • Rheumatoid nodules

Vascular

  • Septic pulmonary embolus

Infections (bacterial/fungal)

  • Pulmonary abscess
  • Pulmonary tuberculosis

Trauma

  • Pneumatocoeles

Youth

  • Congenital pulmonary airway malformation
  • Pulmonary sequestration
  • Bronchogenic cyst

References

  1. ↑ Macchiarini P (January 2006). "Primary tracheal tumours". Lancet Oncol. 7 (1): 83–91. doi:10.1016/S1470-2045(05)70541-6. PMID 16389188.
  2. ↑ Wilson RW, Frazier AA (February 1998). "Pathological-radiological correlations: pathological and radiological correlation of endobronchial neoplasms: part II, malignant tumors". Ann Diagn Pathol. 2 (1): 31–4. PMID 9845721.
  3. ↑ Park CM, Goo JM, Lee HJ, Kim MA, Lee CH, Kang MJ (2009). "Tumors in the tracheobronchial tree: CT and FDG PET features". Radiographics. 29 (1): 55–71. doi:10.1148/rg.291085126. PMID 19168836.
  4. ↑ 4.0 4.1 Pulmonary mass. Dr.Jeremy Jones. Radiopedia. http://radiopaedia.org/articles/pulmonary-mass Accessed on March 22,2016


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