Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Vascular Spasm

Vascular Spasm

The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...

Varicose Veins I: Introduction

Varicose Veins I: Introduction

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...

Venous Thrombosis I: Introduction

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...

Veins of Head and Neck

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...

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

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...

Veins

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...

You might also read

Related Articles

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

Sort by

Same author

Under 2$ hand anesthesia? Our first 800 cases with Wide-Awake Local Anesthesia No Tourniquet (WALANT) in hand surgery.

Musculoskeletal surgery·2024

Same author

Five-year recurrence after endoscopic approach to pilonidal sinus disease: A multicentre experience.

Techniques in coloproctology·2023

Same author

Impact of Clostridium difficile infection on stroke patients in rehabilitation wards.

Infectious diseases now·2023

Same author

From direct to confocal microscopy for tinea nigra: Time to shift towards in vivo imaging?

Journal of the European Academy of Dermatology and Venereology : JEADV·2023

Same author

Blood Vessel Detection Algorithm for Tissue Engineering and Quantitative Histology.

Annals of biomedical engineering·2022

Same author

Rehabilitation of focal hand dystonia in musicians: a systematic review of the studies.

Revista de neurologia·2021

Search research articles

Related Experiment Video

Updated: May 9, 2026

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.

Published on: January 27, 2015

Developmental venous anomaly responsible for hemifacial spasm.

R Chiaramonte¹, M Bonfiglio, A D'Amore

¹Department of Otorhinolaryngology, Department of Medical-Diagnostic Specialties, University of Catania, Catania, Italy.

The Neuroradiology Journal

|July 18, 2013

Summary

This summary is machine-generated.

Hemifacial spasm, a facial movement disorder, can be caused by rare developmental venous anomalies compressing the facial nerve. This case highlights an unusual cause of neurovascular conflict leading to hemifacial spasm.

More Related Videos

A Patient-Derived Xenograft Model for Venous Malformation

A Patient-Derived Xenograft Model for Venous Malformation

Published on: June 15, 2020

Related Experiment Videos

Last Updated: May 9, 2026

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.

Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.

Published on: January 27, 2015

A Patient-Derived Xenograft Model for Venous Malformation

A Patient-Derived Xenograft Model for Venous Malformation

Published on: June 15, 2020

Area of Science:

Neurology
Neurosurgery
Radiology

Background:

Hemifacial spasm (HFS) is a neurological disorder involving involuntary facial muscle contractions.
It is often linked to neurovascular conflict, typically caused by arterial compression of the facial nerve.

Observation:

A 59-year-old man presented with a six-month history of left-sided hemifacial spasm.
A rare case of left developmental venous anomaly was identified as the cause.

Findings:

Magnetic Resonance (MR) imaging revealed a developmental venous anomaly compressing the left facial nerve.
This compression was identified as the cause of the patient's hemifacial spasm.

Implications:

Developmental venous anomalies are an uncommon but significant cause of hemifacial spasm.
This case underscores the importance of comprehensive neuroimaging in diagnosing HFS.
Understanding rare etiologies is crucial for effective neurovascular conflict management.