Dejerine–Roussy syndrome

Dejerine–Roussy syndrome (also known as thalamic pain syndrome, or central post-stroke pain) is a condition developed after a stroke at the level of the thalamus. The syndrome is named after two French neurologists, Joseph Jules Dejerine and Gustave Roussy, who first described the condition in 1906.

Symptoms

The main symptom of Dejerine–Roussy syndrome is chronic pain, which can be severe and is often resistant to treatment. The pain is typically on one side of the body and can be described as burning, aching, or pricking. Other symptoms can include sensory loss, hemiparesis (weakness on one side of the body), and hemianesthesia (loss of sensation on one side of the body).

Causes

Dejerine–Roussy syndrome is caused by a lesion in the thalamus, the part of the brain that relays sensory and motor signals to the cerebral cortex. This can occur as a result of a stroke, brain injury, or brain tumor.

Diagnosis

Diagnosis of Dejerine–Roussy syndrome is based on the patient's symptoms and medical history. Imaging tests such as MRI or CT scan may be used to confirm the presence of a thalamic lesion.

Treatment

Treatment for Dejerine–Roussy syndrome is focused on managing the chronic pain. This can include medications such as antidepressants, anticonvulsants, and opioids. In some cases, non-drug treatments such as physical therapy, occupational therapy, and cognitive behavioral therapy may be beneficial.

Prognosis

The prognosis for Dejerine–Roussy syndrome varies. Some patients may experience a reduction in pain over time, while others may continue to experience chronic pain despite treatment.

See also

• Thalamus
• Stroke
• Chronic pain

References

Dejerine–Roussy syndrome Resources
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