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Dense Deposit Disease Involving C3 and C4d Deposits

M Vankalakunti1, R Augustine2, R Jangamani2

  • 1Department of Nephropathology, Manipal Hospital, Bengaluru, Karnataka, India.

Indian Journal of Nephrology
|March 9, 2018
PubMed

Insights

Dense deposit disease (DDD), a kidney disorder, often relapses and progresses to kidney failure. This study observed C4d positivity, a potential marker, in an adolescent with DDD.

Area of Science:

  • Nephrology
  • Immunology
  • Pathology

Background:

  • Dense deposit disease (DDD), previously Type II membranoproliferative glomerulonephritis, is characterized by distinctive glomerular basement membrane deposits.
  • DDD is associated with frequent relapses, progression to end-stage kidney disease (50-60% within 10 years), and high allograft recurrence rates.
  • Pathogenesis involves complement alternative pathway dysfunction, with diagnosis typically requiring electron microscopy for ultrastructural analysis.

Observation:

  • This report details the case of an adolescent male diagnosed with Dense deposit disease.
  • The study observed C4d positivity in the affected patient.

Findings:

  • The presence of C4d deposits was noted in an adolescent with Dense deposit disease.
  • This finding suggests a potential association between C4d deposition and DDD in younger patients.

Implications:

  • C4d positivity may serve as a diagnostic or prognostic indicator in Dense deposit disease.
  • Further research is warranted to elucidate the role of C4d in DDD pathogenesis and its clinical significance.
  • Understanding C4d involvement could lead to improved diagnostic strategies and targeted therapies for DDD.

Keywords:
Complement C3/C4ddense deposit diseaseelectron microscopemembranoproliferative glomerulonephritis

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