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Superior vena cava syndrome

Evidence last reviewed: 24 Sep 2026
Topic last updated: 23 Oct 2026

Summary

Definition

History and exam

Key diagnostic factors

  • history of cancer
  • localized edema of the face and upper extremities
  • dyspnea
  • facial plethora
  • cough
  • distended neck veins
  • distended chest veins
  • hoarseness of voice
  • lymphadenopathy
  • blurred vision
  • stridor
  • confusion/stupor
Full details

Other diagnostic factors

  • headache
  • mental changes
  • laryngeal edema
  • cyanosis
  • papilledema
  • coma
Full details

Risk factors

  • lung cancer
  • lymphoma
  • multiple pacemaker leads
  • central venous catheters/ports
  • thymoma
  • germ cell tumor
  • metastatic solid organ cancer
  • radiation
Full details

Diagnostic tests

1st tests to order

  • chest CT with intravenous contrast
  • chest CT angiography and venography with intravenous contrast
  • chest MRI with intravenous contrast
  • chest MR angiography and venography with or without intravenous contrast
Full details

Tests to consider

  • chest x-ray
  • venography
  • biopsy
  • sputum cytology
  • thoracentesis
  • sputum culture
  • erythrocyte sedimentation rate
  • C-reactive protein
Full details

Treatment algorithm

ACUTE

acute airway obstruction (without tissue diagnosis)

ONGOING

malignant etiology

infectious etiology

iatrogenic etiology

Contributors

Authors

Albert K. Chan, MD

Associate Professor of Clinical Medicine

University of Missouri

Columbia, MO

Disclosures

AKC declares that he has no competing interests.

Acknowledgements

Dr Albert K Chan would like to gratefully acknowledge Dr Nipun Arora, Lokesh Tejwani, and the late Professor Kul Aggarwal for their previous contributions to this topic. NA, LT, and KA declared no competing interests.

Peer reviewers

Debabrata Mukherjee, MD

Gill Foundation Professor of Interventional Cardiology

Director of Cardiac Catheterization Laboratories

Gill Heart Institute

Division of Cardiovascular Medicine

University of Kentucky

Lexington

KY

Disclosures

DM declares that he has no competing interests.

Syed Wamique Yusuf, MD, MRCPI, FACC

Associate Professor

University of Texas MD Anderson Cancer Center

Department of Cardiology

Houston, TX

Disclosures

SWY declares that he has no competing interests.

Andrew Turley, MB ChB

Cardiology Specialist Registrar

The James Cook University Hospital

Middlesbrough

UK

Disclosures

AT declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Wilson LD, Detterbeck FC, Yahalom J. Clinical practice: superior vena cava syndrome with malignant causes. N Engl J Med. 2007 May 3;356(18):1862-9. Abstract

Azizi AH, Shafi I, Shah N, et al. Superior vena cava syndrome. JACC Cardiovasc Interv. 2020 Dec 28;13(24):2896-910.Full text  Abstract

​American College of Radiology. ACR appropriateness criteria: thoracic venous occlusions-suspected superior vena cava syndrome. 2025 [internet publication].Full text

Uberoi R. Quality assurance guidelines for superior vena cava stenting in malignant disease. Cardiovasc Intervent Radiol. 2006 May-Jun;29(3):319-22. Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Superior vena cava syndrome images
  • Differentials

    • Cardiac tamponade
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  • Guidelines

    • ACR appropriateness criteria: thoracic venous occlusions-suspected superior vena cava syndrome​​​
    • ACR appropriateness criteria: thoracic venous occlusions-suspected superior vena cava syndrome
    More Guidelines
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