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Updated: Jun 23, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Case report: diffuse plane xanthoma with low C4 and systemic inflammatory symptoms.

Alejandro Malbrán1, Luz Stella Parra, José G Casas

  • 1Immunology Department, Hospital Británico de Buenos Aires, Argentina.

Dermatology Online Journal
|May 20, 2009
PubMed
Summary

This case study highlights a patient with diffuse plane xanthomas and IgG monoclonal gammopathy, presenting with low C4 levels and systemic inflammation. The study discusses the diagnostic delay for this rare condition.

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Last Updated: Jun 23, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Area of Science:

  • Immunology
  • Dermatology
  • Internal Medicine

Background:

  • Diffuse plane xanthomas are rare skin manifestations.
  • Immunoglobulin G (IgG) monoclonal gammopathy of unknown significance (MGUS) can be associated with various conditions.
  • Systemic inflammatory symptoms require thorough investigation.

Observation:

  • The patient presented with normolipemic xanthomas, indicating lipid levels were not the primary cause.
  • Laboratory findings revealed low complement component 4 (C4) levels.
  • Systemic inflammation was evident, suggesting a broader underlying pathology.

Findings:

  • The constellation of symptoms points towards a complex interplay between lipid deposition, immune dysregulation, and inflammation.
  • The presence of IgG monoclonal gammopathy suggests a potential link to B-cell abnormalities.
  • Low C4 levels may indicate complement system activation or consumption.

Implications:

  • Early recognition of diffuse plane xanthomas in normolipemic patients is crucial for identifying underlying systemic diseases.
  • Understanding the association between IgG monoclonal gammopathy, low C4, and xanthomas can improve diagnostic pathways.
  • Addressing diagnostic delays is essential for timely management and improved patient outcomes in rare multisystemic disorders.