Lenz–Majewski syndrome

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Obesity, Sleep & Internal medicine
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Lenz–Majewski syndrome
Synonyms	LMS
Pronounce
Specialty	Medical genetics
Symptoms	Intellectual disability, craniofacial dysmorphism, skeletal abnormalities, hyperostosis
Complications	N/A
Onset	Infancy
Duration	Lifelong
Types	N/A
Causes	Mutations in the PTDSS1 gene
Risks
Diagnosis	Clinical evaluation, genetic testing
Differential diagnosis	Other genetic syndromes
Prevention
Treatment	Supportive care, symptomatic treatment
Medication
Prognosis	Variable
Frequency	Extremely rare
Deaths	N/A

Lenz–Majewski syndrome is a rare genetic disorder characterized by intellectual disability, short stature, skeletal abnormalities, and loose skin. It is named after the scientists Wolfgang Lenz and Peter Majewski who first described the condition.

Symptoms and Signs

The symptoms of Lenz–Majewski syndrome include intellectual disability, short stature, skeletal abnormalities, and loose skin. Other symptoms may include hearing loss, vision problems, and dental abnormalities. The severity of the symptoms can vary greatly from person to person.

Causes

Lenz–Majewski syndrome is caused by mutations in the PTDSS1 gene. This gene provides instructions for making a protein that is involved in the production of phosphatidylserine, a type of fat that is a key component of cell membranes.

Diagnosis

The diagnosis of Lenz–Majewski syndrome is based on the presence of characteristic symptoms and signs. Genetic testing can confirm the diagnosis.

Treatment

There is currently no cure for Lenz–Majewski syndrome. Treatment is focused on managing the symptoms and improving the quality of life for individuals with the condition. This may include physical therapy, occupational therapy, and special education services.

Prognosis

The prognosis for individuals with Lenz–Majewski syndrome varies. Some individuals may have a normal lifespan, while others may have a shortened lifespan due to complications of the condition.

See Also

• Genetic disorders
• Rare diseases
• Intellectual disability
• Short stature
• Skeletal abnormalities
• Loose skin