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IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document...
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Chanarin-Dorfman syndrome.

Semih Kalyon1, Yasemin Gökden2, Naciye Demirel3

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Chanarin Dorfman syndrome is a rare lipid storage disorder caused by ABHD5 gene mutations, leading to lipid vacuoles in neutrophils. Early recognition of symptoms like ichthyosis and hearing loss is crucial for diagnosis.

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Area of Science:

  • Genetics and rare diseases
  • Biochemistry and metabolic disorders
  • Clinical medicine and diagnostics

Background:

  • Chanarin Dorfman syndrome (CDS) is an ultra-rare, autosomal recessive disorder characterized by systemic lipid accumulation.
  • It results from mutations in the ABHD5 gene, affecting lipid metabolism and storage.
  • CDS presents with a wide spectrum of clinical manifestations affecting multiple organs.

Observation:

  • A 38-year-old male presented with elevated liver enzymes (AST, ALT, GGT), high creatine kinase, and low platelets.
  • Diagnostic workup revealed liver cirrhosis, bilateral hearing loss, and ocular abnormalities (keratopathy, cataract).
  • Peripheral blood examination confirmed lipid accumulation in neutrophils (Jordan's anomaly), indicative of CDS.

Findings:

  • The patient's clinical presentation and laboratory findings were consistent with Chanarin Dorfman syndrome.
  • Genetic analysis confirmed a mutation in the ABHD5 gene, the underlying cause of the disorder.
  • The case highlights the multisystemic nature of CDS, involving liver, auditory, and ocular systems.

Implications:

  • This case underscores the importance of considering CDS in patients with a constellation of unexplained symptoms.
  • Early diagnosis through characteristic findings like Jordan's anomaly can facilitate timely management.
  • Further research into the ABHD5 gene and lipid metabolism pathways may reveal novel therapeutic targets for CDS.