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Related Concept Videos

Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Irritable Bowel Syndrome01:23

Irritable Bowel Syndrome

DefinitionIrritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by recurrent combinations of abdominal pain, bloating, diarrhea, or constipation.Pathophysiology of irritable bowel syndromeIts pathophysiology is multifactorial, involving disturbances in motility, sensory processing, microbial balance, barrier integrity, and gut–brain communication. These mechanisms interact to produce symptoms that vary across IBS subtypes.Altered Motility PatternsDisordered...

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Related Experiment Video

Updated: Jul 18, 2026

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
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The ICF syndrome: new case and update.

T J De Ravel1, E Deckers, P L Alliet

  • 1Center for Human Genetics, Katholieke Universiteit Leuven, Belgium.

Genetic Counseling (Geneva, Switzerland)
|February 12, 2002
PubMed
Summary

Early diagnosis and intervention in Immunodeficiency-Centromere Instability-Facial anomalies (ICF) syndrome led to a good outcome in a pediatric case. Negative DNMT3B mutation analysis suggests genetic heterogeneity for ICF syndrome.

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Area of Science:

  • Genetics
  • Immunology
  • Pediatrics

Background:

  • Immunodeficiency-Centromere Instability-Facial anomalies (ICF) syndrome is a rare genetic disorder.
  • It is characterized by immune deficiency, centromere instability, and distinctive facial features.
  • Genetic heterogeneity is suspected due to variable clinical presentations.

Observation:

  • A 5-year-old boy with ICF syndrome was monitored for clinical progress.
  • The patient's condition was assessed through clinical evaluation.
  • DNMT3B mutation analysis was performed.

Findings:

  • The patient exhibited a positive clinical course.
  • Early diagnosis and prompt intervention were crucial for the favorable outcome.
  • No mutations were identified in the DNMT3B gene.

Implications:

  • This case highlights the importance of early diagnosis and intervention in managing ICF syndrome.
  • The negative DNMT3B mutation analysis supports the hypothesis of genetic heterogeneity in ICF syndrome.
  • Further research into the genetic basis of ICF syndrome is warranted.