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Related Concept Videos

Overview of Systemic Veins01:11

Overview of Systemic Veins

Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the middle...
Overview of Systemic Arteries01:11

Overview of Systemic Arteries

The human body is a complex, well-organized machine, and at the heart of its operations lies the circulatory system. This network of blood vessels, which includes systemic arteries, plays a vital role in maintaining life by transporting nutrients, oxygen, and waste products to and from cells throughout the body.
Systemic circulation is the part of the cardiovascular system that carries oxygenated blood away from the heart to the body's tissues and returns deoxygenated blood back to the heart.
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...
Veins of Thorax01:19

Veins of Thorax

The azygos system is a crucial part of the body's circulatory system and drains most of the thorax. It comprises the azygos, hemiazygos, and accessory hemiazygos veins.
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...

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Related Experiment Video

Updated: Jun 2, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
06:59

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Published on: January 13, 2023

[Superior vena cava syndrome].

Jun Taguchi1, Ichiro Kinoshita, Hirotoshi Akita

  • 1Dept. of Medical Oncology, Hokkaido University Graduate School of Medicine, Japan.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|April 19, 2011
PubMed
Summary

Superior vena cava (SVC) syndrome, a serious complication of cancer, arises from SVC obstruction. Prompt diagnosis and management, including cancer treatment and symptom relief, are crucial for patient outcomes.

Area of Science:

  • Oncology
  • Vascular Medicine
  • Medical Imaging

Context:

  • Superior vena cava (SVC) syndrome is a recognized complication of malignant neoplasia.
  • Obstruction of the SVC can result from tumor invasion, extrinsic compression, or thrombus formation.
  • SVC syndrome is considered an oncologic emergency due to potential severe complications.

Purpose:

  • To outline the causes, clinical presentation, diagnostic approaches, and management strategies for SVC syndrome in the context of malignancy.
  • To emphasize the importance of prompt diagnosis and multidisciplinary management.
  • To clarify that SVC syndrome does not preclude curative treatment of the underlying cancer.

Summary:

  • SVC syndrome presents with upper body edema, potentially causing airway compromise and cerebral edema.

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Last Updated: Jun 2, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
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A Novel Method: Super-selective Adrenal Venous Sampling
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A Novel Method: Super-selective Adrenal Venous Sampling

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Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis
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  • Lung cancer is the most frequent malignant cause.
  • CT scanning with contrast is the primary imaging modality.
  • Management involves treating the underlying malignancy and relieving SVC obstruction through supportive care, chemotherapy, radiotherapy, stenting, or surgery.

    • Impact:

    • Effective management of SVC syndrome can alleviate distressing symptoms and prevent life-threatening complications.
    • Integrated treatment of SVC syndrome and the primary malignancy improves patient prognosis.
    • Understanding SVC syndrome as an oncologic emergency guides timely and appropriate clinical intervention.