Legius syndrome: Difference between revisions
CSV import |
CSV import |
||
| Line 1: | Line 1: | ||
[[File:Autosomal_dominant_-_en.svg| | {{SI}} | ||
{{Infobox medical condition | |||
| name = Legius syndrome | |||
| image = [[File:Autosomal_dominant_-_en.svg|200px]] | |||
| caption = Legius syndrome is inherited in an [[autosomal dominant]] pattern. | |||
| synonyms = [[Neurofibromatosis type 1-like syndrome]], NF1-like syndrome | |||
| pronounce = | |||
| specialty = [[Medical genetics]] | |||
| symptoms = [[Café-au-lait spots]], freckling, [[macrocephaly]], [[learning disabilities]] | |||
| onset = [[Childhood]] | |||
| duration = [[Lifelong]] | |||
| causes = Mutations in the [[SPRED1]] gene | |||
| risks = | |||
| diagnosis = [[Clinical diagnosis]], [[genetic testing]] | |||
| differential = [[Neurofibromatosis type I]], [[Noonan syndrome]], [[McCune-Albright syndrome]] | |||
| treatment = [[Symptomatic treatment]], [[educational support]] | |||
| prognosis = Generally good | |||
| frequency = Rare | |||
| deaths = | |||
}} | |||
'''Legius syndrome''' is a rare genetic disorder that is characterized by multiple café-au-lait spots on the skin, freckling in the armpits and groin, and other features that can resemble [[neurofibromatosis type I]] (NF1). It is caused by mutations in the [[SPRED1]] gene. | |||
== Signs and Symptoms == | == Signs and Symptoms == | ||
Individuals with Legius syndrome typically present with: | Individuals with Legius syndrome typically present with: | ||
| Line 8: | Line 27: | ||
* Learning disabilities | * Learning disabilities | ||
* Developmental delays | * Developmental delays | ||
Unlike [[neurofibromatosis type I]], Legius syndrome does not involve the development of [[neurofibromas]], [[Lisch nodules]] (iris hamartomas), or [[optic gliomas]]. | Unlike [[neurofibromatosis type I]], Legius syndrome does not involve the development of [[neurofibromas]], [[Lisch nodules]] (iris hamartomas), or [[optic gliomas]]. | ||
== Genetics == | == Genetics == | ||
Legius syndrome is caused by mutations in the [[SPRED1]] gene, which is located on chromosome 15q14. The [[SPRED1]] gene encodes a protein that is involved in the [[Ras/MAPK signaling pathway]], which is important for cell growth and differentiation. Mutations in this gene lead to the clinical features observed in Legius syndrome. | Legius syndrome is caused by mutations in the [[SPRED1]] gene, which is located on chromosome 15q14. The [[SPRED1]] gene encodes a protein that is involved in the [[Ras/MAPK signaling pathway]], which is important for cell growth and differentiation. Mutations in this gene lead to the clinical features observed in Legius syndrome. | ||
== Diagnosis == | == Diagnosis == | ||
The diagnosis of Legius syndrome is primarily clinical, based on the presence of characteristic skin findings and the absence of other features of [[neurofibromatosis type I]]. Genetic testing can confirm the diagnosis by identifying mutations in the [[SPRED1]] gene. | The diagnosis of Legius syndrome is primarily clinical, based on the presence of characteristic skin findings and the absence of other features of [[neurofibromatosis type I]]. Genetic testing can confirm the diagnosis by identifying mutations in the [[SPRED1]] gene. | ||
== Management == | == Management == | ||
There is no cure for Legius syndrome, and management is primarily supportive. This may include: | There is no cure for Legius syndrome, and management is primarily supportive. This may include: | ||
| Line 22: | Line 37: | ||
* Educational support for learning disabilities | * Educational support for learning disabilities | ||
* Developmental assessments and interventions | * Developmental assessments and interventions | ||
== Differential Diagnosis == | == Differential Diagnosis == | ||
Legius syndrome should be differentiated from other conditions that present with similar features, such as: | Legius syndrome should be differentiated from other conditions that present with similar features, such as: | ||
| Line 28: | Line 42: | ||
* [[Noonan syndrome]] | * [[Noonan syndrome]] | ||
* [[LEOPARD syndrome]] | * [[LEOPARD syndrome]] | ||
== See Also == | == See Also == | ||
* [[Neurofibromatosis type I]] | * [[Neurofibromatosis type I]] | ||
| Line 34: | Line 47: | ||
* [[Ras/MAPK signaling pathway]] | * [[Ras/MAPK signaling pathway]] | ||
* [[Café-au-lait spot]] | * [[Café-au-lait spot]] | ||
== References == | == References == | ||
{{Reflist}} | {{Reflist}} | ||
== External Links == | == External Links == | ||
{{Commons category|Legius syndrome}} | {{Commons category|Legius syndrome}} | ||
[[Category:Genetic disorders]] | [[Category:Genetic disorders]] | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
[[Category:Pediatrics]] | [[Category:Pediatrics]] | ||
[[Category:Rare diseases]] | [[Category:Rare diseases]] | ||
{{medicine-stub}} | {{medicine-stub}} | ||
Latest revision as of 01:01, 8 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Legius syndrome | |
|---|---|
| |
| Synonyms | Neurofibromatosis type 1-like syndrome, NF1-like syndrome |
| Pronounce | |
| Specialty | Medical genetics |
| Symptoms | Café-au-lait spots, freckling, macrocephaly, learning disabilities |
| Complications | N/A |
| Onset | Childhood |
| Duration | Lifelong |
| Types | N/A |
| Causes | Mutations in the SPRED1 gene |
| Risks | |
| Diagnosis | Clinical diagnosis, genetic testing |
| Differential diagnosis | Neurofibromatosis type I, Noonan syndrome, McCune-Albright syndrome |
| Prevention | N/A |
| Treatment | Symptomatic treatment, educational support |
| Medication | N/A |
| Prognosis | Generally good |
| Frequency | Rare |
| Deaths | |
Legius syndrome is a rare genetic disorder that is characterized by multiple café-au-lait spots on the skin, freckling in the armpits and groin, and other features that can resemble neurofibromatosis type I (NF1). It is caused by mutations in the SPRED1 gene.
Signs and Symptoms[edit]
Individuals with Legius syndrome typically present with:
- Multiple café-au-lait spots
- Freckling in the armpits and groin
- Macrocephaly (large head size)
- Learning disabilities
- Developmental delays
Unlike neurofibromatosis type I, Legius syndrome does not involve the development of neurofibromas, Lisch nodules (iris hamartomas), or optic gliomas.
Genetics[edit]
Legius syndrome is caused by mutations in the SPRED1 gene, which is located on chromosome 15q14. The SPRED1 gene encodes a protein that is involved in the Ras/MAPK signaling pathway, which is important for cell growth and differentiation. Mutations in this gene lead to the clinical features observed in Legius syndrome.
Diagnosis[edit]
The diagnosis of Legius syndrome is primarily clinical, based on the presence of characteristic skin findings and the absence of other features of neurofibromatosis type I. Genetic testing can confirm the diagnosis by identifying mutations in the SPRED1 gene.
Management[edit]
There is no cure for Legius syndrome, and management is primarily supportive. This may include:
- Regular monitoring of skin lesions
- Educational support for learning disabilities
- Developmental assessments and interventions
Differential Diagnosis[edit]
Legius syndrome should be differentiated from other conditions that present with similar features, such as:
See Also[edit]
References[edit]
<references group="" responsive="1"></references>
External Links[edit]
