Laron syndrome: Difference between revisions

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Laron syndrome due to postreceptor defect; growth hormone insensitivity due to postreceptor defect; Laron-type dwarfism
Laron syndrome due to postreceptor defect; growth hormone insensitivity due to postreceptor defect; Laron-type dwarfism


==Epidemiology and Demographics==
==[[Laron syndrome overview|Overview]]==
The majority of reported cases have been of Mediterranean or semitic origin, with numerous patients in Israel, Ecuador, Turkey and in the Bahamas.
==Diagnosis==
===Symptoms===
The principal feature of Laron syndrome is abnormally short stature ([[dwarfism]]).
Symptoms include:
*Truncal [[obesity]]<ref name="pmid16817829">{{cite journal |author=Laron Z, Ginsberg S, Lilos P, Arbiv M, Vaisman N |title=Body composition in untreated adult patients with Laron syndrome (primary GH insensitivity) |journal=Clin. Endocrinol. (Oxf) |volume=65 |issue=1 |pages=114-7 |year=2006 |pmid=16817829 |doi=10.1111/j.1365-2265.2006.02558.x}}</ref>
*[[Seizures]] are frequently secondary to [[hypoglycemia]].
*Some genetic variations have an impact upon intellectual capacity.<ref name="pmid16372230">{{cite journal |author=Shevah O, Kornreich L, Galatzer A, Laron Z |title=The intellectual capacity of patients with Laron syndrome (LS) differs with various molecular defects of the growth hormone receptor gene. Correlation with CNS abnormalities |journal=Horm. Metab. Res. |volume=37 |issue=12 |pages=757-60 |year=2005 |pmid=16372230 |doi=10.1055/s-2005-921097}}</ref>
===Physical Examination===
Physical exam findings include:
*[[Prominent forehead]]
*[[Depressed nasal bridge]]
*[[Under-development of mandible]]
*A [[Micropenis|very small penis]]


==Treatment==
==[[Laron syndrome historical perspective|Historical Perspective]]==
Treatment may include administration of [[IGF-1]].
 
==[[Laron syndrome classification|Classification]]==
 
 
==[[Laron syndrome pathophysiology|Pathophysiology]]==
 
==[[Laron syndrome causes|Causes]]==
 
==[[Laron syndrome differential diagnosis|Differentiating Laron Syndrome from other Diseases]]==
 
==[[Laron syndrome epidemiology and demographics|Epidemiology and Demographics]]==
 
==[[Laron syndrome risk factors|Risk Factors]]==
 
 
 
==[[Laron syndrome natural history, complications and prognosis|Natural History, Complications and Prognosis]]==


==References==
==[[Laron syndrome diagnosis|Diagnosis]]==
{{Reflist|2}}
[[Laron syndrome history and symptoms|History and Symptoms]] | [[Laron syndrome physical examination|Physical Examination]] | [[Laron syndrome laboratory findings|Laboratory Findings]] | [[Laron syndrome CT|CT]] | [[Laron syndrome MRI|MRI]] | [[Laron syndrome echocardiography or ultrasound|Ultrasound]] | [[Laron syndrome other imaging findings|Other Imaging Findings]] | [[Laron syndrome other diagnostic studies|Other Diagnostic Studies]]


==Treatment==
[[Laron syndrome medical therapy|Medical Therapy]] | [[Laron syndrome surgery|Surgery]] | [[Laron syndrome primary prevention|Primary Prevention]] | [[Laron syndrome secondary prevention|Secondary Prevention]] | [[Laron syndrome cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Laron syndrome future or investigational therapies|Future or Investigational Therapies]]
==Case Studies==
:[[Laron syndrome case study one|Case #1]]





Latest revision as of 20:16, 19 September 2012

For patient information click here

Laron syndrome
Growth hormone
ICD-10 E34.3
ICD-9 259.4
OMIM 262500 245590
DiseasesDB 7262
MeSH D046150

Laron syndrome Microchapters

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Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Laron Syndrome from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

CT

MRI

Echocardiography or Ultrasound

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Assosciate Editor(s)-In-Chief: Prashanth Saddala M.B.B.S

Synonyms and keywords: Growth Harmone Receptor Deficiency; Growth hormone insensitivity syndrome; pituitary dwarfism II; Laron syndrome due to postreceptor defect; growth hormone insensitivity due to postreceptor defect; Laron-type dwarfism

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Laron Syndrome from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | CT | MRI | Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1


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