Roussy–Lévy syndrome

Roussy–Lévy syndrome is a rare, inherited neurological disorder characterized by a combination of muscle weakness, loss of sensation in the extremities, and a lack of coordination. It is a form of Charcot-Marie-Tooth disease, a group of disorders that affect the peripheral nerves.

Symptoms

The symptoms of Roussy–Lévy syndrome typically begin in childhood and progress slowly over time. They include:

• Muscle weakness and wasting, particularly in the lower limbs
• Sensory loss in the extremities, leading to numbness and tingling
• Ataxia, or a lack of coordination and balance
• Tremors, particularly in the hands
• Foot deformities, such as high arches or hammertoes

Causes

Roussy–Lévy syndrome is caused by mutations in the MPZ or PMP22 genes. These genes are involved in the production of proteins that are essential for the normal function of peripheral nerves. The mutations lead to a disruption in the way these nerves transmit signals, resulting in the symptoms of the disorder.

Diagnosis

The diagnosis of Roussy–Lévy syndrome is based on a combination of clinical symptoms, family history, and genetic testing. Electromyography and nerve conduction studies may also be used to confirm the diagnosis.

Treatment

There is currently no cure for Roussy–Lévy syndrome. Treatment is focused on managing symptoms and improving quality of life. This may include physical therapy, occupational therapy, and the use of assistive devices such as braces or wheelchairs. Medications may also be used to manage symptoms such as tremors.

Prognosis

The prognosis for individuals with Roussy–Lévy syndrome varies. The disorder is progressive, meaning symptoms will worsen over time. However, the rate of progression can vary widely from person to person.

See also

• Charcot-Marie-Tooth disease
• Peripheral neuropathy
• Genetic disorders

Roussy–Lévy syndrome Resources
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