Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

606
Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
606
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

104
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...
104
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

213
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
213
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

100
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...
100
Hepatic Portal System01:21

Hepatic Portal System

3.7K
The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is...
3.7K
The Thyroid Gland01:23

The Thyroid Gland

5.3K
The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
5.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Discontinuation of Glucagon-Like Peptide-1 Receptor Agonists After Bowel Obstruction or Ileus: A Nationwide, Real-World, Database Study.

Journal of evidence-based medicine·2026
Same author

Prevalence and clinical characteristics of Terson syndrome among survivors of aneurysmal subarachnoid hemorrhage: a nationwide study in Japan.

Japanese journal of ophthalmology·2026
Same author

Clinical Usage of High-Flow Nasal Cannula Across Disease Categories and Care Settings: A Nationwide Cohort Study in Japan.

Respiratory care·2026
Same author

Computed Tomography-based Assessment of Visceral Fat for Predicting Intra-abdominal Infectious Complications After Gastrectomy in Patients With Gastric Cancer.

In vivo (Athens, Greece)·2026
Same author

The crucial role of non-specialty local hospitals and clinics in managing advanced stages of adult congenital heart disease in an era of increasing prevalence.

BMJ case reports·2026
Same author

Acute cholecystitis in an intrahepatic duplicated gallbladder mimicking a liver abscess: The pivotal diagnostic role of percutaneous drainage.

Radiology case reports·2026

Related Experiment Video

Updated: Nov 10, 2025

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
08:45

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation

Published on: June 27, 2025

1.0K

Portal and Mesenteric Vein Thrombosis Associated with Hyperthyroidism.

Aya Kato1, Yuichiro Matsuo1, Aki Miyagaki2

  • 1Department of Internal Medicine, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu City, Chiba, Japan.

The American Journal of Case Reports
|April 5, 2021
PubMed
Summary

Hyperthyroidism may be linked to portal vein thrombosis. Thyroid function tests are recommended for patients with portal and mesenteric vein thrombosis when other causes are absent.

More Related Videos

Author Spotlight: Advancing Cancer Associated Thrombosis Research in Rodent Models
04:40

Author Spotlight: Advancing Cancer Associated Thrombosis Research in Rodent Models

Published on: January 5, 2024

2.8K
Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
09:37

Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats

Published on: August 1, 2018

15.2K

Related Experiment Videos

Last Updated: Nov 10, 2025

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
08:45

New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation

Published on: June 27, 2025

1.0K
Author Spotlight: Advancing Cancer Associated Thrombosis Research in Rodent Models
04:40

Author Spotlight: Advancing Cancer Associated Thrombosis Research in Rodent Models

Published on: January 5, 2024

2.8K
Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
09:37

Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats

Published on: August 1, 2018

15.2K

Area of Science:

  • Vascular Medicine
  • Endocrinology

Background:

  • Non-malignant, non-cirrhotic portal and mesenteric vein thrombosis (PMVT) is uncommon.
  • Hyperthyroidism is associated with increased venous thrombosis risk due to altered coagulation and fibrinolytic factors.

Observation:

  • A 59-year-old male with Grave's disease presented with acute PMVT and hyperthyroidism.
  • Initial anticoagulation and antithyroid drug adjustment were performed.
  • All tests for PMVT causes were normal except for hyperthyroidism.

Findings:

  • Anticoagulation was discontinued post-thyroid normalization.
  • Recurrence of portal vein thrombosis occurred 3 years later, coinciding with hyperthyroidism.
  • Hyperthyroidism may be an underlying factor in PMVT.

Implications:

  • Hyperthyroidism should be considered in the differential diagnosis of PMVT.
  • Thyroid function testing is advised for unexplained PMVT cases.
  • Further research into the hyperthyroidism-PMVT link is warranted.