Related Experiment Video

Updated: Mar 12, 2026

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure
07:02

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure

Published on: May 15, 2020

6.4K

[A case of idiopathic myointimal hyperplasia of mesenteric veins]

Aurélie Cauchois1, Véronique Desfourneaux2, Solène-Florence Kammerer-Jacquet1

  • 1Service d'anatomie pathologique, hôpital Pontchaillou, CHU de Rennes, 2, rue Henri-Le-Guilloux, 35000 Rennes, France.

Annales De Pathologie
|November 14, 2016
PubMed

Insights

Idiopathic myointimal hyperplasia of mesenteric veins is a rare condition affecting the bowel. This case highlights its distinct vascular thickening, differentiating it from inflammatory bowel disease and vasculitis.

Area of Science:

  • Vascular pathology
  • Gastroenterology
  • Rare diseases

Background:

  • Idiopathic myointimal hyperplasia of mesenteric veins is a rare condition.
  • It affects the recto-sigmoid region and clinically mimics chronic inflammatory bowel disease.
  • Few cases (around 15) have been documented.

Observation:

  • The lesion is characterized by myointimal thickening of mesenteric veins.
  • Crucially, there is no inflammatory infiltrate within the vascular wall.
  • This histological feature distinguishes it from vasculitis.

Findings:

  • A case report of a 48-year-old male patient is presented.
  • Initial diagnoses considered were ulcerative colitis and digestive vasculitis.
  • The patient's condition was ultimately diagnosed as idiopathic myointimal hyperplasia of mesenteric veins.

Implications:

  • This case underscores the importance of considering rare vascular pathologies in the differential diagnosis of chronic bowel conditions.
  • Accurate diagnosis relies on differentiating vascular thickening from inflammation.
  • Further research into idiopathic myointimal hyperplasia of mesenteric veins is warranted to improve diagnostic and treatment strategies.
Keywords:
Chronic inflammatory bowel diseaseHyperplasie myo-intimale idiopathique des veines mésentériquesIdiopathic myointimal hyperplasia of mesenteric veinsMaladie inflammatoire chronique de l’intestin

More Related Videos

Balloon-based Injury to Induce Myointimal Hyperplasia in the Mouse Abdominal Aorta07:32

Balloon-based Injury to Induce Myointimal Hyperplasia in the Mouse Abdominal Aorta

Published on: February 7, 2018

10.2K
Development of a Murine Model for Femoral Artery Anastomotic Stenosis05:42

Development of a Murine Model for Femoral Artery Anastomotic Stenosis

Published on: April 18, 2025

720

Related Concept Videos

Varicose Veins I: Introduction01:26

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...
289
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

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...
1.9K
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...
618
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...
418
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

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...
275
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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...
1.1K