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Related Concept Videos

Veins01:17

Veins

Veins are an integral part of our circulatory system, serving as the blood vessels that transport blood from all body regions to the heart. They are a network of hollow tubes that carry blood low in oxygen from the body's cells back to the heart for reoxygenation. Veins are crucial for maintaining the body's overall fluid balance and the continuous circulation of blood.
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
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...
Veins of Head and Neck01:19

Veins of Head and Neck

The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
Development of the Lymphatic System01:15

Development of the Lymphatic System

The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
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...
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...

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Related Experiment Video

Updated: Jul 11, 2026

Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method
08:07

Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method

Published on: July 4, 2021

Late development of lateral sinus vein thrombosis.

L Podoshin1, M Fradis, R Gertner

  • 1Department of Otolaryngology, Bnai Zion Medical Center, Haifa, Israel.

Ear, Nose, & Throat Journal
|May 1, 1992
PubMed
Summary

Lateral sinus vein thrombosis can occur without active middle ear infections. This case highlights the importance of considering this serious complication even in the absence of current ear disease.

Area of Science:

  • Otolaryngology
  • Neurology
  • Infectious Diseases

Background:

  • Lateral sinus vein thrombosis (LSVT) is a serious complication of middle ear disease, historically linked to infections.
  • While antibiotics have reduced its incidence, LSVT remains a significant concern.
  • The condition can be life-threatening, necessitating prompt diagnosis and management.

Observation:

  • A case study of a 23-year-old patient presenting with LSVT is detailed.
  • Notably, this patient had no active acute or chronic middle ear infection at the time of presentation.
  • This presentation challenges the typical association between LSVT and ongoing otitis media.

Findings:

  • Computed Tomography (CT) scans can aid in the diagnosis of LSVT.
  • However, definitive diagnosis often requires surgical exploration.

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Establishment of a Modified Ferric Chloride-Induced Superior Sagittal Sinus Thrombosis
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Related Experiment Videos

Last Updated: Jul 11, 2026

Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method
08:07

Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method

Published on: July 4, 2021

Surgical Protocols for Deep Cervical Lymphovenous Anastomosis in a Rat Model: Lymph Node and Lymphatic Vessel Anastomoses
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Surgical Protocols for Deep Cervical Lymphovenous Anastomosis in a Rat Model: Lymph Node and Lymphatic Vessel Anastomoses

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Establishment of a Modified Ferric Chloride-Induced Superior Sagittal Sinus Thrombosis
07:34

Establishment of a Modified Ferric Chloride-Induced Superior Sagittal Sinus Thrombosis

Published on: December 30, 2025

  • The presented case underscores that LSVT can develop in the absence of evident middle ear pathology.

    • Implications:

    • Clinicians should maintain a high index of suspicion for LSVT, even without active middle ear disease.
    • Early and accurate diagnosis is crucial for effective treatment and improved patient outcomes.
    • Further research may be warranted to understand the non-otitic pathways leading to LSVT.