[Von Hippel-Lindau syndrome]
1Klinik für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum des Saarlandes, 66424, Homburg/Saar, Deutschland, Wolfgang.Reith@uniklinikum-saarland.de.
Der Radiologe
|December 3, 2013
Summary
Von Hippel-Lindau syndrome is a genetic disorder causing tumors in various body parts. Early diagnosis through neuroaxis MRI is crucial for patients suspected of having this condition.
Area of Science:
- Genetics and Oncology
- Neurology and Ophthalmology
Context:
- Von Hippel-Lindau (VHL) syndrome is an autosomal dominant phacomatosis.
- Characterized by a predisposition to tumors in the central nervous system (CNS) and retina.
- Manifestations include hemangioblastomas, renal carcinoma, pheochromocytoma, pancreatic tumors, and inner ear tumors.
Purpose:
- To outline the genetic basis and clinical manifestations of Von Hippel-Lindau syndrome.
- To highlight the variable expression and tumor spectrum associated with VHL.
- To emphasize the importance of neuroimaging in early detection.
Summary:
- VHL syndrome presents with diverse tumors, including CNS hemangioblastomas and visceral neoplasms.
- Symptoms typically manifest after age 30.
- Magnetic resonance imaging (MRI) of the neuroaxis is a key diagnostic tool for suspected cases.
Impact:
- Facilitates timely diagnosis and management of Von Hippel-Lindau syndrome.
- Improves patient outcomes through early detection of CNS and other tumors.
- Informs clinical practice regarding diagnostic imaging protocols for VHL.
More Related Videos
Related Concept Videos
Pleiotropy
31.3K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
31.3K
The Retinoblastoma Gene
3.7K
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
3.7K
Genomic Imprinting and Inheritance
30.4K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
30.4K
Sex-linked Disorders
95.2K
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
95.2K
Huntington Disease l: Introduction
166
Huntington disease or HD is a progressive, fatal neurodegenerative disorder inherited in an autosomal dominant pattern.PathophysiologyIt is caused by expansion of the CAG trinucleotide repeat in the HTT gene on chromosome 4 (4p16.3), producing an abnormal huntingtin protein with an expanded polyglutamine tract. This misfolded protein disrupts cellular function, leading to neuronal death. Normal alleles have ≤26 repeats, 27–35 are intermediate (risk of expansion), 36–39 show...
166
Lysosomal Hydrolases
3.5K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.5K


