Truncal ataxia

A type of ataxia affecting the trunk of the body

Truncal ataxia

Diagram of the cerebellum, highlighting its divisions

Truncal ataxia is a neurological condition characterized by a lack of coordination and balance specifically affecting the trunk of the body. It is often associated with dysfunction of the cerebellum, the part of the brain responsible for coordinating voluntary movements and maintaining posture and balance.

Causes

Truncal ataxia can result from a variety of causes, including:

• Cerebellar degeneration
• Stroke
• Multiple sclerosis
• Alcohol use disorder
• Trauma to the cerebellum

Symptoms

Individuals with truncal ataxia may exhibit the following symptoms:

• Difficulty maintaining an upright posture
• Swaying or unsteady gait
• Inability to sit or stand without support
• Frequent falls

Diagnosis

The diagnosis of truncal ataxia typically involves a thorough neurological examination, which may include:

• MRI of the brain to assess cerebellar structure
• CT scan
• Blood tests to rule out metabolic causes
• Lumbar puncture to examine cerebrospinal fluid

Treatment

Treatment for truncal ataxia depends on the underlying cause. Options may include:

• Physical therapy to improve balance and coordination
• Occupational therapy
• Medications to address specific symptoms or underlying conditions
• Lifestyle modifications, such as reducing alcohol intake

Prognosis

The prognosis for individuals with truncal ataxia varies depending on the cause and severity of the condition. Some individuals may experience significant improvement with treatment, while others may have persistent symptoms.

Related pages

• Cerebellar ataxia
• Cerebellum
• Neurology