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Unusual presentation of more common disease/injury
CASE REPORT
A case of antiepiligrin cicatricial pemphigoid with extensive cutaneous erosions mimicking pemphigus vulgaris
  1. Swastika Suvirya1,
  2. Sucheta Pathania1,
  3. Kiran Preet Malhotra2,
  4. Parul Verma1
  1. 1Department of Dermatology, King George’s Medical University, Lucknow, Uttar Pradesh, India
  2. 2Department of Pathology, Dr. Ram Mahohar Lohia Institute of Medical Sciences, Lucknow, India
  1. Correspondence to Dr Sucheta Pathania, pathania_sucheta{at}rediffmail.com

Summary

Cicatricial pemphigoid (CP) is a chronic, autoimmune, subepidermal blistering disease with predominant mucosal involvement. In this article, we report a young patient with mucosal and extensive cutaneous involvement in the form of large erosions mimicking those of pemphigus vulgaris thus leading to diagnostic dilemma. We were unable to find any other previous reports with such extensive cutaneous erosions mimicking those of pemphigus vulgaris. Laminin 5 was the antigen found on knockout substrate testing. Antiepiligrin CP is a distinct subtype of CP with antibodies against laminin 5. This subtype is mostly associated with malignancy but no underlying malignancy was found in our case. Present report also highlights the importance of knockout substrate testing when immunoblot is not available.

  • dermatology
  • skin

https://doi.org/10.1136/bcr-2018-225446

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    Footnotes

    • Contributors All authors: conception and design, acquisition of data or analysis and interpretation of data; drafting the article or revising it critically for important intellectual content; final approval of the version published. SS and SP: agreement to be accountable for the article and to ensure that all questions regarding the accuracy or integrity of the article are investigated and resolved.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient consent Obtained.

    • Provenance and peer review Not commissioned; externally peer reviewed.