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Related Concept Videos

Overview of Systemic Veins01:11

Overview of Systemic Veins

1.7K
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...
1.7K
Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

2.2K
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...
2.2K
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

466
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...
466
Overview of Systemic Arteries01:11

Overview of Systemic Arteries

2.6K
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...
2.6K
Veins of Thorax01:19

Veins of Thorax

2.6K
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...
2.6K
Portal Hypertension01:22

Portal Hypertension

20
Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
20

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Related Experiment Video

Updated: Apr 21, 2026

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

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Unilateral superior vena cava syndrome.

U D Desai, J M Joshi1

  • 1Department of Pulmonary Medicine, Topiwala National Medical College and BYL Nair Charitable Hospital, Mumbai, Maharashtra, India.

Journal of Postgraduate Medicine
|November 6, 2014
PubMed
Summary

Unilateral superior vena cava (SVC) syndrome, affecting only one side, can indicate serious underlying conditions like lung cancer. Early diagnosis is crucial for effective treatment of this rare condition.

Area of Science:

  • Cardiology
  • Oncology
  • Pulmonology

Background:

  • Superior vena cava (SVC) syndrome typically presents with bilateral symptoms.
  • Unilateral SVC syndrome is a rare clinical presentation.

Observation:

  • An elderly male patient exhibited clinical signs of SVC syndrome localized to the right side.
  • Diagnostic workup indicated unilateral SVC syndrome, likely caused by lung adenocarcinoma.

Findings:

  • The case highlights the importance of recognizing unilateral SVC syndrome.
  • Adenocarcinoma of the lung was the presumed etiology in this patient.

Implications:

  • Unilateral SVC syndrome necessitates comprehensive clinical evaluation due to diverse potential causes.

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  • This rare presentation can be an early sign of both benign and malignant diseases.