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Related Concept Videos

Overview of Systemic Veins01:11

Overview of Systemic Veins

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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...
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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

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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...
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Overview of Systemic Arteries01:11

Overview of Systemic Arteries

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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...
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Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

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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...
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Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

183
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...
183
Veins of Thorax01:19

Veins of Thorax

1.7K
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...
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Updated: Dec 18, 2025

A Novel Method: Super-selective Adrenal Venous Sampling
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[Superior Vena Cava Syndrome].

Chiaki Kondo1, Gyo Asai

  • 1Dept. of Respiratory Medicine, Okazaki City Hospital.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|June 17, 2020
PubMed
Summary

Superior vena cava (SVC) syndrome, often caused by lung cancer, impairs venous return, leading to potentially fatal swelling. Prompt diagnosis and tailored treatments like chemotherapy or radiotherapy are crucial for managing this oncologic emergency.

Area of Science:

  • Oncology
  • Vascular Medicine
  • Medical Emergencies

Background:

  • Superior vena cava (SVC) syndrome results from impaired venous return due to SVC stenosis.
  • Tumors, particularly lung cancer, are the most common cause of SVC syndrome.
  • Symptoms arise from SVC compression, invasion, or thrombosis, impacting patient quality of life.

Purpose of the Study:

  • To review the causes, symptoms, and management of SVC syndrome.
  • To emphasize SVC syndrome as an oncologic emergency requiring urgent intervention.
  • To highlight the importance of prompt diagnosis and tailored treatment strategies.

Main Methods:

  • Literature review of SVC syndrome causes, clinical presentation, and therapeutic options.
  • Analysis of diagnostic approaches, including histopathological confirmation.

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  • Discussion of multidisciplinary treatment planning based on tumor type and severity.

    • Main Results:

    • SVC syndrome presents with diverse symptoms like facial/neck edema, dyspnea, and hoarseness.
    • It is an oncologic emergency due to risks of fatal brain and laryngeal edema.
    • Treatment modalities include radiotherapy, chemotherapy, stent placement, and surgery.

    Conclusions:

    • Timely histopathological diagnosis is essential for effective SVC syndrome management.
    • Treatment selection requires comprehensive consideration of tumor histology, severity, and sensitivity to therapies.
    • Multidisciplinary collaboration is vital for prompt and appropriate patient care.