Raymond syndrome

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Raymond syndrome is a posterior circulatory stroke syndrome due to a lesion in the ventral medial mid-pons. It is an extremely rare condition, with only a handful of cases described in the literature.

Clinical features

Clinically, 2 subtypes have been reported ¹:

classic type
- abducens nerve (CN VI) - fascicle: ipsilateral lateral gaze paresis
- corticospinal fibres - undecussated: contralateral hemiparesis
- corticofacial fibers: facial paresis
common type (more frequently reported)
- abducens nerve (CN VI) - fascicle: ipsilateral lateral gaze paresis
- corticospinal fibres - undecussated: contralateral hemiparesis
- NB: corticofacial fibers are spared in the common type

History and etymology

The syndrome was first described by Fulgence Raymond (1844-1910), a French physician, in 1894 ².

-Raymond syndrome is a posterior circulatory stroke syndrome due to a lesion in the ventral medial mid-pons. It is an extremely rare condition, with only a handful of cases described in the literature.Clinically, 2 subtypes have been reported 1:<ol>
+Raymond syndrome is a posterior circulatory stroke syndrome due to a lesion in the ventral medial mid-pons. It is an extremely rare condition, with only a handful of cases described in the literature.<h4>Clinical features</h4>Clinically, 2 subtypes have been reported 1:<ol>
~~-<a title="Abducens nerve (CN VI)" href="/articles/abducens-nerve">abducens nerve (CN VI)</a> - fascicle: ipsilateral lateral gaze paresis</li>~~
+<a href="/articles/abducens-nerve">abducens nerve (CN VI)</a> - fascicle: ipsilateral lateral gaze paresis</li>
~~-</ol>~~
+</ol><h4>History and etymology</h4>The syndrome was first described by Fulgence Raymond (1844-1910), a French physician, in 1894 2.