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Related Experiment Video

Updated: Jul 19, 2026

Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models
08:57

Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models

Published on: May 17, 2024

Neurosarcoidosis--a diagnostic pitfall with consequences.

Irene Kapfhammer1, Christine Armbruster, Christian Armbruster

  • 12nd Medical Department, Otto Wagner Spital, Vienna, Austria. irene.kapfhammer@medhost.at

Wiener Klinische Wochenschrift
|September 30, 2006
PubMed
Summary

Neurosarcoidosis poses diagnostic challenges, often mimicking other conditions. Early diagnosis is crucial, as demonstrated by a case where delayed identification of neurosarcoidosis led to irreversible paralysis.

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Area of Science:

  • Neurology
  • Immunology
  • Pathology

Background:

  • Neurosarcoidosis presents diagnostic difficulties, particularly when other organs are unaffected.
  • A 64-year-old male experienced paraplegia, initially presumed to be spinal cord infarction.

Observation:

  • Progressive paresthesia developed six years later, prompting further investigation.
  • Spinal MRI revealed nodular meningeal enhancement, and thoracic CT showed mediastinal/hilar lymphadenopathy.

Findings:

  • Bronchoalveolar lavage demonstrated a high lymphocyte count (39%) with a CD4+/CD8+ ratio of 17.7.
  • Hilar lymph node biopsy confirmed non-necrotizing granulomas, indicative of sarcoidosis.
  • Cerebrospinal fluid analysis revealed elevated protein and pleocytosis, with a CD4+/CD8+ ratio of 10.78, confirming neurosarcoidosis.

Related Experiment Videos

Last Updated: Jul 19, 2026

Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models
08:57

Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models

Published on: May 17, 2024

Implications:

  • This case highlights the importance of considering neurosarcoidosis in patients with unexplained neurological deficits.
  • Timely diagnosis and treatment of neurosarcoidosis could potentially prevent severe neurological sequelae like paralysis.