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Related Experiment Videos

Conjunctival involvement in paraneoplastic pemphigus.

S J Meyers1, G A Varley, D M Meisler

  • 1Department of Ophthalmology, Cleveland Clinic Foundation, Ohio 44195-5024.

American Journal of Ophthalmology
|November 15, 1992
PubMed
Summary

Paraneoplastic pemphigus, an autoimmune disease linked to cancer, can cause unique conjunctival changes. Early recognition of these eye symptoms is crucial for patient care.

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Area of Science:

  • Ophthalmology
  • Dermatology
  • Immunology

Background:

  • Paraneoplastic pemphigus is a rare autoimmune blistering disease associated with neoplasms.
  • Its diagnosis can be challenging due to overlapping features with pemphigus vulgaris.

Observation:

  • Two patients with non-Hodgkin's lymphoma and paraneoplastic pemphigus presented with significant conjunctival abnormalities.
  • Observed symptoms included conjunctival hyperemia, papillary reactions, epithelial sloughing, and cicatrization.

Findings:

  • Histopathology and direct immunofluorescence of conjunctivae were consistent with pemphigus vulgaris, showing IgG and C3 deposition.
  • Indirect immunofluorescence revealed autoantibodies binding to rodent bladder and intestinal epithelium.
  • Immunoprecipitation identified antibodies targeting Desmoplakin I, bullous pemphigoid antigen (230 kd), Desmoplakin II, and a 190-kd protein.

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Implications:

  • Ophthalmologists and pathologists must be aware of the distinct conjunctival manifestations of paraneoplastic pemphigus.
  • Recognizing these ocular findings can aid in the timely diagnosis and management of this complex condition.