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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
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Mitral Regurgitation I: Introduction01:20

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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
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Related Experiment Video

Updated: Aug 22, 2025

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
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Venous Malformation in the Auricle.

Junhui Jeong1, Yeejeong Kim2

  • 1Department of Otorhinolaryngology, National Health Insurance Service Ilsan Hospital, Goyang 10444, Korea.

Diagnostics (Basel, Switzerland)
|November 11, 2022
PubMed
Summary
This summary is machine-generated.

A rare congenital venous malformation occurred in the auricle (outer ear) of a 44-year-old woman. This case highlights the uncommon presentation of venous malformations in this specific anatomical location.

Keywords:
auricleexternal earvascular malformationvenous malformation

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Area of Science:

  • Vascular Malformations
  • Anatomy
  • Pathology

Background:

  • Venous malformations are congenital anomalies of the vascular system.
  • They commonly affect the head, neck, and extremities.
  • Auricular (outer ear) venous malformations are exceptionally rare.

Purpose of the Study:

  • To report a rare case of a venous malformation in the auricle.
  • To contribute to the understanding of venous malformations in unusual locations.

Main Methods:

  • Case presentation of a 44-year-old woman.
  • Clinical and diagnostic evaluation (details not provided in abstract).

Main Results:

  • A venous malformation was identified in the auricle.
  • This represents a rare occurrence of this condition.

Conclusions:

  • Venous malformations, though rare, can manifest in the auricle.
  • This case underscores the importance of considering venous malformations in the differential diagnosis of auricular lesions.