Related Experiment Video
Updated: Jan 24, 2026

03:40
Three-Dimensional Printing of a Complex Aortic Anomaly
Published on: November 1, 2018
7.1K
[Syndromes with vascular skin anomalies]
1Klinik für Dermatologie und Venerologie, Universitätsklinikum Freiburg, Hauptstr. 7, 79104, Freiburg, Deutschland. rudolf.happle@uniklinik-freiburg.de.
Summary
Distinct capillary nevi are key diagnostic clues for complex genetic syndromes. This review aids dermatologists in recognizing and classifying these cutaneous markers for improved syndrome diagnosis.
Area of Science:
- Dermatology
- Medical Genetics
- Clinical Diagnostics
Background:
- Complex genetic syndromes often present with diverse capillary nevi.
- These cutaneous markers can serve as crucial diagnostic indicators.
Purpose of the Study:
- To equip practicing dermatologists with the ability to recognize and classify capillary nevi.
- To enhance the diagnostic capabilities for genetic syndromes associated with cutaneous markers.
Main Methods:
- Comprehensive literature review.
- Analysis of personal clinical observations.
- Description of 14 distinct syndromes linked to capillary nevi.
Main Results:
- Identified specific capillary nevi associated with syndromes like Sturge-Weber (GNAQ), Proteus type (AKT1), PIK3CA-related overgrowth spectrum (PROS), and neurofibromatosis 1.
- Detailed 14 syndromes with recognizable capillary nevi, including cutis marmorata telangiectatica congenita and Carter-Mirzaa macules (STAMBP).
Conclusions:
- Molecular basis for all capillary nevi-associated syndromes is not fully understood.
- Dermatologists can contribute to advancing knowledge by consulting experts on challenging cases.
- Highlights the ongoing need for molecular elucidation in syndrome diagnosis.
Related Concept Videos
Seedless Vascular Plants
66.7K
Seedless Vascular Plants Were the First Tall Plants on Earth
66.7K
Nephrotic Syndrome I : Introduction
540
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
540
Skin Cancer
5.8K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
5.8K
Vascular Spasm
3.4K
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...
3.4K
Acute Coronary Syndrome I: Introduction
906
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
906
Vascular Resistance
10.4K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
10.4K

