Abstract
The thalami of the human brain obtain their blood supply from many perforating arteries,
which exhibit complex distribution and many variations. One rare variation is the
artery of Percheron that supplies the paramedian thalami bilaterally. This artery
arises from the first segment of the posterior cerebral artery and gives rise to bilateral
medial thalamic perforants. Occlusion of the artery of Percheron none rarely results
in bilateral thalamic and mesencephalic infarctions.
We describe the case of a 38-year-old male patient with a presumed occlusion of this
artery in which MR imaging revealed characteristic symmetrical bilateral paramedian
thalamic infarctions. The unique characteristics of this case are based on the young
age of the patient, the absence of any risk factors or other diseases and even more
on the rare clinical manifestations consisted of hypophonia, memory dysfunction, time
disorientation and apathy.
Keywords
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References
- Consciousness and the brain. The thalamocortical dialogue in health and disease.Ann N Y Acad Sci. 2001; 929: 166-175
- Amnesia in a patient with bilateral lesions to the thalamus.Neuropsychologia. 1984; 22: 123-143
- The anatomy of the arterial supply of the human thalamus and its use for the interpretation of the thalamic vascular pathology.Z Neurol. 1973; 205: 1-13
- Bilateral paramedian thalamic artery infarcts: report of eight cases.J Neurol Neurosurg Psychiatry. 1987; 50: 900-909
- Total recovery after bilateral paramedian thalamic infarct.Eur Neurol. 2000; 44: 216-218
- Paramedian thalamic and midbrain infarct: clinical and neuropathological study.Ann Neurol. 1981; 10: 127-148
- Presentation of bilateral thalamic infarction on CT, MRI and PET.Neuroradiology. 1985; 27: 414-419
- Bilateral paramedian thalamic infarctions: a CT study.Neuroradiology. 1986; 28: 128-131
- Bilateral paramedian thalamic infarction: a distinct but poorly recognized stroke syndrome.Q J Med. 1992; 82: 63-70
- Autobiographical amnesia resulting from bilateral paramedian thalamic infarction. A case study in cognitive neurobiology.Brain. 1993; 116: 921-940
- Cognitive dysfunction following thalamic stroke: a study of 16 cases and review of the literature.J Neurol Sci. 2000; 172: 25-29
- Memory in a case of bilateral thalamic infarction.Neurology. 1992; 42: 163-169
- A contribution to the anatomical basis of thalamic amnesia.Brain. 1985; 108: 993-1008
- The syndrome of unilateral tuberothalamic artery territory infarction.Stroke. 1986; 17: 434-441
- Thalamic infarcts: clinical syndromes, etiology, and prognosis.Neurology. 1988; 38: 837-848
- Loss of psychic self-activation with bithalamic infarction. Neurobehavioural, CT, MRI and SPECT correlates.Acta Neurol Scand. 1991; 83: 309-316
- Akinetic mutism with bithalamic infarction. Neurophysiological correlates.J Neurol Sci. 1996; 139: 58-65
- Aphonia as the only speech disturbance from bilateral paramedian thalamic infarction.Clin Neurol Neurosurg. 1988; 90: 265-267
- The syndrome of bilateral paramedian thalamic infarction.Neurology. 1983; 33: 540-546
Article info
Publication history
Published online: May 14, 2009
Identification
Copyright
© 2009 Published by Elsevier Inc.
