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Target Concepts:
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Query: UMLS:C0033377 (
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11,717
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Upper lid and vertical eye movements are usually preserved in patients with the "locked-in" syndrome, a condition manifested by
anarthria
, spastic quadriparesis, and intact mental function, and caused by lesions in the ventral portion of the pons. We describe a presumed mesencephalic "locked-in" syndrome in a patient who had total bilateral
ptosis
at the onset of his disease and later on experienced complete bilateral oculomotor nerve paralysis.
...
PMID:Quadriparesis and nuclear oculomotor palsy with total bilateral ptosis mimicking coma: a mesencephalic 'locked-in syndrome"? 50 30
Brown-Vialetto-Van Laere syndrome is a rare disorder characterized by motor, sensory, and cranial neuronopathies, associated with mutations in
SLC52A2
and
SLC52A3
genes that code for human riboflavin transporters RFVT2 and RFVT3, respectively. The authors describe the clinical course of a 6-year-old girl with Brown-Vialetto-Van Laere syndrome and a novel homozygous mutation c.1156T>C in the
SLC52A3
gene, who presented at the age of 2.5 years with progressive brain stem dysfunction including
ptosis
, facial weakness, hearing loss, dysphagia,
anarthria
with bilateral vocal cord paralysis, and ataxic gait. She subsequently developed respiratory failure requiring tracheostomy and worsening dysphagia necessitating a gastrostomy. Following riboflavin supplementation, resolution of facial diplegia and ataxia, improvements in
ptosis
, and bulbar function including vocalization and respiration were noted. However, her sensorineural hearing loss remained unchanged. Similar to other cases of Brown-Vialetto-Van Laere syndrome, our patient responded favorably to early riboflavin supplementation with significant but not complete neurologic recovery.
...
PMID:A Case of Brown-Vialetto-Van Laere Syndrome Due To a Novel Mutation in
SLC52A3
Gene: Clinical Course and Response to Riboflavin. 2885 73