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Related Concept Videos

Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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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...
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Esophageal Varices-I: Introduction01:24

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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...
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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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Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

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Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
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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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Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

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Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...
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Updated: Mar 19, 2026

Endoscopic Injection Sclerotherapy Assisted by Cyanoacrylate and Clips for Gastroesophageal Varices
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Varices: A potential pitfall in gastrointestinal bleeding scan interpretation.

Brian Wosnitzer, Ernest Gordon DePuey

    Radiology Case Reports
    |June 17, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Gastrointestinal bleeding scans can be misinterpreted due to intra-abdominal varices, leading to false positives. Understanding these pitfalls is crucial for accurate diagnosis and avoiding unnecessary procedures.

    Keywords:
    CT, computed tomography

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    Area of Science:

    • Nuclear medicine
    • Interventional radiology
    • Gastroenterology

    Background:

    • Gastrointestinal bleeding scans are vital for localizing bleeding sources before interventional procedures.
    • Accurate interpretation of these scans is essential to prevent unnecessary interventions and reduce healthcare costs.
    • Physicians must be aware of potential pitfalls that can lead to false-positive results.

    Observation:

    • A case study involving a patient with cirrhosis and gastrointestinal bleeding is presented.
    • Intra-abdominal varices were identified as a potential cause of a false-positive bleeding scan.
    • The case highlights the importance of recognizing specific conditions that can mimic active bleeding on scans.

    Findings:

    • Nuclear bleeding scans can yield false-positive results, particularly in patients with intra-abdominal varices.
    • Cirrhosis is a condition associated with varices that can complicate scan interpretation.
    • Specific diagnostic criteria for gastrointestinal bleeding on nuclear scans need reinforcement.

    Implications:

    • Recognizing intra-abdominal varices can prevent unnecessary interventional procedures for patients with gastrointestinal bleeding.
    • Improved understanding of scan interpretation pitfalls can lead to more accurate diagnoses.
    • This knowledge can optimize patient management and reduce healthcare expenditures associated with misdiagnoses.