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Related Experiment Videos

Hypertriglyceridaemia and NK cell lymphoma.

S Suryanarayanan1, A S Wierzbicki, R Carr

  • 1St Thomas' Hospital, London, UK.

International Journal of Clinical Practice
|January 10, 2004
PubMed
Summary
This summary is machine-generated.

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Pyrexia of unknown origin and severe hypertriglyceridaemia can signal adult T-cell lymphoma. This rare lymphoma, specifically natural killer cell phenotype, warrants consideration in diagnosing severe hyperlipidaemia.

Area of Science:

  • Hematology
  • Oncology
  • Clinical Biochemistry

Background:

  • Pyrexia of unknown origin (PUO) and hypertriglyceridaemia are complex clinical presentations.
  • Hypertriglyceridaemia, particularly types IV and V, requires thorough etiological investigation.
  • Malignancies, including lymphomas, can present with metabolic derangements.

Observation:

  • A patient presented with PUO and significant hypertriglyceridaemia (16.2 mmol/l), but normal cholesterol (4.1 mmol/l).
  • Diagnostic workup revealed the cause of pyrexia to be adult T-cell lymphoma with a natural killer cell phenotype (CD3+, CD7+, anti-TCR alpha/beta+, CD8+, CD56+).

Findings:

  • The identified lymphoma is a rare cause of severe hypertriglyceridaemia.
  • Animal models suggest a potential mechanism involving antilipoprotein lipase antibodies as an immune response to the tumor.

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Implications:

  • This case highlights the importance of considering lymphomas in the differential diagnosis of unexplained hypertriglyceridaemia.
  • Early recognition of lymphoma in patients with hyperlipidaemia can lead to timely diagnosis and treatment.
  • Further research into the link between lymphoma and hypertriglyceridaemia may elucidate novel diagnostic or therapeutic targets.