Hypocretin (orexin) and melatonin values in a narcoleptic-like sleep disorder after pinealectomy

Lois Elaine Krahn, Bradley F Boeve, Lawrence Oliver, Michael H. Silber

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Narcolepsy secondary to other neurologic processes has been recently associated with hypocretin (orexin) deficiency. We present a patient who developed a narcoleptic-like sleep disorder after receiving treatment for a choroid plexus carcinoma of the pineal gland. She underwent a pinealectomy, chemotherapy, and radiation treatment. The primary features of this condition were excessive daytime sleepiness, sleep paralysis and hypnagogic hallucinations. Increased percentage of rapid eye movement (REM) sleep and sleep onset REM periods were seen during the multiple sleep latency test. Circadian rhythmicity was preserved for melatonin and cortisol. She was negative for human leukocyte antigen DQB1 *0602 and had a detectable cerebrospinal fluid hypocretin level (518 pg/ml). We emphasize that the narcoleptic-like disorder likely resulted from the surgical intervention or radiation therapy. Her symptoms are caused by an unknown mechanism unrelated to hypocretin depletion which merits more research.

Original languageEnglish (US)
Pages (from-to)521-523
Number of pages3
JournalSleep Medicine
Volume3
Issue number6
DOIs
StatePublished - Nov 2002

Fingerprint

Melatonin
Sleep
REM Sleep
Sleep Paralysis
Narcolepsy
Pineal Gland
Hallucinations
Periodicity
HLA Antigens
Nervous System
Cerebrospinal Fluid
Hydrocortisone
Radiotherapy
Radiation
Drug Therapy
Therapeutics
Research
Orexins
Sleep Wake Disorders

Keywords

  • Choroid plexus carcinoma
  • Hypocretin
  • Melatonin
  • Narcolepsy
  • Pineal gland
  • Radiation therapy
  • Sleep

ASJC Scopus subject areas

  • Ophthalmology
  • Pulmonary and Respiratory Medicine
  • Neurology
  • Dentistry(all)

Cite this

Hypocretin (orexin) and melatonin values in a narcoleptic-like sleep disorder after pinealectomy. / Krahn, Lois Elaine; Boeve, Bradley F; Oliver, Lawrence; Silber, Michael H.

In: Sleep Medicine, Vol. 3, No. 6, 11.2002, p. 521-523.

Research output: Contribution to journalArticle

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