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Temporal bone findings in central nervous system leukemia.

T Aikawa1, I Ohtani

  • 1Department of Otolaryngology, Fukushima Medical College, Japan.

American Journal of Otolaryngology
|November 1, 1991
PubMed
Summary

Central nervous system (CNS) leukemia can affect the inner ear, leading to symptoms like ear fullness and dizziness. This case study details leukemic cell infiltration in the temporal bone structures of a patient with CNS leukemia.

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Area of Science:

  • Neurology
  • Otolaryngology
  • Pathology

Background:

  • Central nervous system (CNS) leukemia involves leukemic cells infiltrating the cerebrospinal fluid (CSF), potentially causing meningeal irritation.
  • Leukemic involvement of the temporal bone and its associated structures is a rare but significant pathological finding.

Observation:

  • This report presents a case study of a 32-year-old male who succumbed to CNS leukemia.
  • The patient experienced symptoms of ear fullness and dizziness in the months preceding his death.

Findings:

  • Autopsy revealed leukemic cell infiltration within the temporal bone.
  • Specifically, leukemic cells were identified in the scala tympani of the cochlea, the saccule, and the posterior semicircular canal.
  • Infiltration extended along the vestibulocochlear nerve.

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Implications:

  • This case highlights the potential for CNS leukemia to manifest with otological symptoms due to direct temporal bone and vestibulocochlear nerve involvement.
  • Understanding these pathological pathways is crucial for diagnosing and managing CNS leukemia, particularly when neurological and otological symptoms are present.
  • Further research into the mechanisms of leukemic infiltration in the CNS and temporal bone may improve patient outcomes.