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Related Experiment Videos

Carcinoid associated encephalitis successfully treated with tryptophan.

Mark A Rosenthal1

  • 1Department of Clinical Haematology, Medical Oncology and Palliative Care, Royal Melbourne Hospital, 3050, Victoria, Australia . mark.rosenthal@mh.org.au

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|December 4, 2003
PubMed
Summary

A rare case of encephalopathy linked to a massive carcinoid tumor was successfully treated with tryptophan supplements. This highlights tryptophan deficiency as a potential cause and effective intervention for carcinoid-associated encephalopathy.

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Area of Science:

  • Neuroscience
  • Oncology
  • Metabolic Disorders

Background:

  • Carcinoid tumors, though rare, can present with complex systemic effects.
  • Encephalopathy is a serious neurological complication that requires thorough investigation for underlying causes.

Observation:

  • A patient presented with encephalopathy of unknown etiology.
  • Extensive diagnostic workup failed to identify a definitive cause for the neurological symptoms.

Findings:

  • A presumptive diagnosis of tryptophan deficiency was established.
  • Administration of tryptophan dietary supplements led to a rapid and complete resolution of encephalopathy.

Implications:

  • This case suggests tryptophan deficiency as a potential mechanism for carcinoid-associated encephalopathy.

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  • Tryptophan supplementation may be a viable therapeutic strategy for similar cases.
  • Further research into the neurobiological impact of carcinoid tumors and associated metabolic derangements is warranted.