Symptoms of Dejerine-Roussy Syndrome
Dejerine-Roussy syndrome (thalamic pain syndrome) presents with burning or aching central pain in the body contralateral to the thalamic lesion, accompanied by sensory abnormalities including allodynia (pain from normally non-painful stimuli), hyperalgesia, and hemihypoesthesia. 1
Core Clinical Features
The syndrome manifests with a constellation of symptoms that typically appear within days to months after thalamic stroke:
Pain Characteristics
- Burning, scalding, or "burning and freezing" sensations are the hallmark pain descriptors 2
- Pain is constant or intermittent and located contralaterally to the thalamic lesion 1
- Upper extremities are most commonly affected 3
- Pain onset occurs within the first week in 36% of patients, with the majority becoming symptomatic within the first month, though the range extends to 3-6 months post-stroke 1, 3
Sensory Abnormalities
- Allodynia (pain triggered by touch, cold, or movement) 1
- Hyperalgesia (exaggerated pain response to painful stimuli) 4, 2
- Hemihypoesthesia (decreased sensation on one side of the body) 4
- Impaired thermal sensation is particularly prominent 2
- Loss of vibration and proprioception (position sense) 5
Associated Motor and Movement Features
- Transient mild hemiparesis (weakness on one side) 4
- Hemiataxia with astereognosia (inability to recognize objects by touch on the affected side) 4
- Hemichoreoathetosis (involuntary writhing movements) 4, 6
Diagnostic Considerations
Laterality Pattern
- Right-sided thalamic lesions predominate (114 right-sided vs 66 left-sided in a series of 180 patients, p < 0.001), suggesting nondominant hemisphere specialization in pain processing 6
- This laterality predominance is greater among men than women 6
Incidence and Timing
- Central poststroke pain occurs in 7-8% of all stroke patients 1
- The frequency increases to 24% after geniculothalamic artery territory strokes specifically 6
Clinical Subtypes
Four distinct subtypes have been identified based on severity of sensory loss and somatosensory evoked potentials 5:
- Type 1: Complete hemianesthesia without central pain (analgic thalamic syndrome)
- Type 2: Central pain with severe hypoesthesia
- Type 3: Central pain with hypoesthesia but preserved cortical responses
- Type 4: Central pain with preserved touch and joint sensations (pure algetic thalamic syndrome)
Important Clinical Pitfalls
Diagnosis is frequently delayed or missed because patients may no longer be under active stroke care when symptoms manifest months later 2. Additionally, the vague and difficult-to-characterize nature of symptoms, combined with cognitive impairments, speech limitations, depression, anxiety, and sleep disturbances that commonly follow stroke, further complicate recognition 2.