Cerebellar abiotrophy

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Cerebellar abiotrophy (CA), also known as cerebellar cortical abiotrophy (CCA), is a neurodegenerative disorder that affects the cerebellum, a part of the brain responsible for coordinating movement and balance. This condition is characterized by the premature death of neurons in the cerebellum, leading to a progressive loss of motor control.

Pathophysiology[edit | edit source]

The cerebellum is crucial for fine-tuning motor activities and maintaining balance. In cerebellar abiotrophy, the Purkinje cells in the cerebellar cortex degenerate and die prematurely. This neuronal loss disrupts the normal function of the cerebellum, resulting in clinical signs such as ataxia, dysmetria, and intention tremor.

Causes[edit | edit source]

Cerebellar abiotrophy is often inherited and can be seen in various species, including humans, dogs, cats, and horses. The genetic basis of the disorder varies among species and breeds. In many cases, it follows an autosomal recessive inheritance pattern.

Clinical Signs[edit | edit source]

The clinical signs of cerebellar abiotrophy typically appear in young animals and may include:

Diagnosis[edit | edit source]

Diagnosis of cerebellar abiotrophy is based on clinical signs, neurological examination, and imaging studies such as magnetic resonance imaging (MRI). Genetic testing may also be available for certain breeds to confirm the diagnosis.

Treatment[edit | edit source]

There is currently no cure for cerebellar abiotrophy. Treatment is supportive and focuses on managing symptoms and improving the quality of life for affected individuals. This may include physical therapy, medications to control tremors, and environmental modifications to prevent injury.

Prognosis[edit | edit source]

The prognosis for individuals with cerebellar abiotrophy varies depending on the severity of the condition and the species affected. In many cases, the disorder is progressive, and affected individuals may experience a gradual decline in motor function.

See Also[edit | edit source]

References[edit | edit source]

External Links[edit | edit source]


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Contributors: Prab R. Tumpati, MD