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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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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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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.
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Venous Thrombosis I: Introduction01:30

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

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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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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...
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Vascular tumors.

Abel Sepulveda1, Edward P Buchanan1

  • 1Division of Plastic Surgery, Baylor College of Medicine, Houston, Texas.

Seminars in Plastic Surgery
|July 22, 2014
PubMed
Summary
This summary is machine-generated.

Vascular tumors and malformations can be confusing due to their similar appearance. Recent diagnostic advances improve the labeling, diagnosis, and treatment of these complex vascular lesions.

Keywords:
hemangiomavascular anomaliesvascular malformationvascular tumor

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Area of Science:

  • Vascular Surgery
  • Dermatology
  • Pediatric Surgery

Background:

  • Vascular tumors and malformations represent a complex group of lesions.
  • Clinical diagnosis can be challenging due to similar macroscopic appearances.
  • Historical confusion has been reduced by recent diagnostic advancements.

Purpose of the Study:

  • To review common vascular tumors and malformations.
  • To provide clinicians with tools for accurate labeling and diagnosis.
  • To guide the management of these complex lesions.

Main Methods:

  • Review of the most frequent vascular tumors.
  • Discussion of diagnostic techniques.
  • Clinical management strategies.

Main Results:

  • Enhanced comprehension of vascular lesions through advanced diagnostics.
  • Improved accuracy in labeling and diagnosis.
  • Effective treatment strategies for complex cases.

Conclusions:

  • Recent advances significantly aid in understanding and managing vascular tumors.
  • Clinicians can now more effectively label, diagnose, and treat these lesions.
  • This review offers practical tools for managing common vascular anomalies.