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Abstract
On June 7, 1906, Jules Dejerine (1849–1917) and Gustave Roussy (1874–1948) presented to the Société de Neurologie de Paris the first description of the thalamic syndrome with serial-section microscopic images. They also provided the first account of central poststroke pain (CPSP). They suggested that pain is one of the primary symptoms of the syndrome, although one of their own patients (“Hud”) did not have pain. Several contemporary studies have highlighted the involvement of the anterior part of the pulvinar (PuA) in patients with CPSP of thalamic origin. Two historical observations (cases Jos and Hud) are reviewed here using the Morel nuclei staining atlas (2007). Dejerine and Roussy proposed the “irritative theory” to explain CPSP of thalamic origin and, in line with the most recent literature, they invoked the involvement of the PuA. When matching images for the Jos and Hud cases with the Morel atlas, it appears that the lesions involved what Dejerine then termed the noyau externe; that is, the ventral posterolateral nucleus and the PuA. In the Jos case, the lesion extended medially to what Dejerine termed the noyau médian de Luys; that is, the central medial–parafascicular nuclei, whereas in the Hud case the lesion extended more inferiorly. From the finding in the Hud case, one can hypothesize that impairment of the PuA alone does not assure pain. The work of Dejerine and Roussy, based on clinico-anatomical correlations, remains relevant to this day.
Glossary
- CL=
- central lateral;
- CM-Pf=
- central medial–parafascicular nuclei;
- CPSP=
- central poststroke pain;
- PuA=
- anterior part of the pulvinar;
- STT=
- spinothalamic tract;
- VPL=
- ventral posterolateral nucleus;
- VPM=
- ventral posterior medial nucleus
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
- Received March 31, 2019.
- Accepted in final form July 5, 2019.
- © 2019 American Academy of Neurology
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