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Niemann-Pick disease-type C: a case report.

K E Pradeep1, N K Supriya

  • 1Calicut Medical College, Calicut, Kerala.

Indian Journal of Pathology & Microbiology
|May 25, 2002
PubMed
Summary

This case study identifies Niemann-Pick disease Type-C through characteristic foamy histiocytes in bone marrow and eye movement issues. These findings aid in diagnosing this rare genetic disorder.

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Area of Science:

  • Biochemistry
  • Genetics
  • Neurology

Background:

  • Niemann-Pick disease Type-C (NPC) is a rare, autosomal recessive lysosomal storage disorder.
  • NPC is characterized by the accumulation of cholesterol and other lipids within cells, leading to progressive cellular dysfunction.
  • Genetic mutations affect intracellular cholesterol transport, impacting various organs.

Observation:

  • A patient presented with specific neurological symptoms, including abnormal eye movements.
  • Bone marrow examination revealed the presence of foamy histiocytes, indicative of lipid accumulation.
  • These clinical and pathological findings were key diagnostic indicators.

Findings:

  • The combination of foamy histiocytes in bone marrow aspirates and characteristic eye movement abnormalities strongly suggests Niemann-Pick disease Type-C.
  • Histopathological analysis confirmed lipid-laden macrophages, a hallmark of NPC.
  • Diagnostic confirmation requires further genetic and biochemical testing.

Implications:

  • Early and accurate diagnosis of NPC is crucial for timely intervention and management.
  • Understanding the specific presentation aids in differentiating NPC from other lysosomal storage diseases.
  • This case highlights the importance of integrating clinical, pathological, and potentially genetic data for diagnosing complex genetic disorders.

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