Non small cell lung cancer ultrasound: Difference between revisions
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==Ultrasound== | ==Ultrasound== | ||
Endobronchial ultrasound is a first-line diagnostic modality for mediastinal staging.<ref name="pmid24484269">{{cite journal |vauthors=Kinsey CM, Arenberg DA |title=Endobronchial ultrasound-guided transbronchial needle aspiration for non-small cell lung cancer staging |journal=Am. J. Respir. Crit. Care Med. |volume=189 |issue=6 |pages=640–9 |year=2014 |pmid=24484269 |doi=10.1164/rccm.201311-2007CI |url=}}</ref><ref name="cancer">Tests for non-small cell lung cancer. American Cancer Society. http://www.cancer.org/cancer/lungcancer-non-smallcell/detailedguide/non-small-cell-lung-cancer-diagnosis Accessed on February 25, 2016</ref> | Endobronchial ultrasound is a first-line diagnostic modality for mediastinal staging.<ref name="pmid24484269">{{cite journal |vauthors=Kinsey CM, Arenberg DA |title=Endobronchial ultrasound-guided transbronchial needle aspiration for non-small cell lung cancer staging |journal=Am. J. Respir. Crit. Care Med. |volume=189 |issue=6 |pages=640–9 |year=2014 |pmid=24484269 |doi=10.1164/rccm.201311-2007CI |url=}}</ref><ref name="cancer">Tests for non-small cell lung cancer. American Cancer Society. http://www.cancer.org/cancer/lungcancer-non-smallcell/detailedguide/non-small-cell-lung-cancer-diagnosis Accessed on February 25, 2016</ref> | ||
**Endobronchial and endoscopic esophageal ultrasound are mainly used to identify mediastinal metastasis. | |||
** On ultrasound (endobronchial/endoscopic esophageal ultrasound), characteristic findings of non-small cell lung cancer include: | |||
*** Enlarged lymph nodes | |||
*** Local invasion of adjacent [[bronchial]] structures and [[mediastinum]] | |||
** Indications for the endobronchial ultrasound: | |||
***Evaluation of lymph nodes and other structures in the [[mediastinum]] | |||
***Mediastinal invasion staging | |||
***Determination of management strategy | |||
***Real-time evaluation of structures | |||
* The table below summarizes the advantages and disadvantages of both ultrasound modalities, for the diagnostic assessment of non-small cell lung cancer. | * The table below summarizes the advantages and disadvantages of both ultrasound modalities, for the diagnostic assessment of non-small cell lung cancer. | ||
Revision as of 20:11, 8 January 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]
Overview
On endobronchial and endoscopic ultrasound, characteristic findings of non-small cell lung cancer include enlarged lymph nodes and local invasion to adjacent bronchial structures and mediastinum. Endobronchial ultrasound is a first-line diagnostic modality for mediastinal staging.
Ultrasound
Endobronchial ultrasound is a first-line diagnostic modality for mediastinal staging.[1][2]
- Endobronchial and endoscopic esophageal ultrasound are mainly used to identify mediastinal metastasis.
- On ultrasound (endobronchial/endoscopic esophageal ultrasound), characteristic findings of non-small cell lung cancer include:
- Enlarged lymph nodes
- Local invasion of adjacent bronchial structures and mediastinum
- Indications for the endobronchial ultrasound:
- Evaluation of lymph nodes and other structures in the mediastinum
- Mediastinal invasion staging
- Determination of management strategy
- Real-time evaluation of structures
- The table below summarizes the advantages and disadvantages of both ultrasound modalities, for the diagnostic assessment of non-small cell lung cancer.
Procedure Advantages Disadvantages Endobronchial ultrasound (EBUS) - Direct visualization of lymph node stations.
- Complements endoscopic ultrasound: covers lymph node stations 2R and 4R which are difficult to access by endoscopic ultrasound
- Lower false-negative rate than with blind transbronchial fine needle aspiration and fewer complications
- More invasive than endoscopic ultrasound, few practitioners, but rapidly growing in popularity
Endoscopic ultrasound (EUS) - Least invasive modality
- Uses the esophagus to access mediastinal lymph nodes
- Excellent for staging lymph nodes
- Useful for station 2L and 4L, L adrenal, celiac lymph node
- Cannot reliably access right sided paratracheal lymph node stations 2 R and 4R
- Accurate discrimination of primary hilar tumors and involved lymph nodes is important
References
- ↑ Kinsey CM, Arenberg DA (2014). "Endobronchial ultrasound-guided transbronchial needle aspiration for non-small cell lung cancer staging". Am. J. Respir. Crit. Care Med. 189 (6): 640–9. doi:10.1164/rccm.201311-2007CI. PMID 24484269.
- ↑ Tests for non-small cell lung cancer. American Cancer Society. http://www.cancer.org/cancer/lungcancer-non-smallcell/detailedguide/non-small-cell-lung-cancer-diagnosis Accessed on February 25, 2016