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Related Experiment Videos

A patient with monosomy 7 and polyuria.

S Sadullah1, A R Kruger, S Barrington Onslow

  • 1Department of Haematology, Royal Victoria Hospital, Bournemouth, U.K.

Leukemia Research
|June 1, 1992
PubMed
Summary
This summary is machine-generated.

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Diabetes insipidus, a rare leukaemia complication, may link to chromosome 7 abnormalities. This case of chronic myeloid leukaemia with polyuria and chromosome 7 loss highlights unresolved causes of this rare condition.

Area of Science:

  • Hematology
  • Endocrinology
  • Oncology

Background:

  • Diabetes insipidus (DI) is a rare but recognized complication of various leukaemias.
  • A potential association between monosomy 7 and DI in leukaemic patients has been previously suggested.
  • Understanding this link is crucial for diagnosing and managing complex leukaemic cases.

Observation:

  • A patient with Philadelphia chromosome-positive chronic myeloid leukaemia (CML) presented with polyuria.
  • This symptom emerged during lymphoid blast transformation, coinciding with the loss of chromosome 7.
  • Initial biochemical tests were inconclusive for DI, and treatment with DDAVP (desmopressin) proved ineffective.

Findings:

  • The patient's polyuria remained undiagnosed during life.

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  • Post-mortem examination revealed leukaemic infiltration in the peripituitary region and kidneys.
  • While DI was considered, the exact cause of the polyuria could not be definitively determined.

    • Implications:

    • This case underscores the complex and sometimes elusive nature of DI in leukaemic patients.
    • Further research is needed to elucidate the mechanisms linking leukaemia, chromosomal abnormalities like monosomy 7, and DI.
    • Accurate diagnosis and management strategies for polyuria in leukaemic transformation require further investigation.