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An unusual case of keratinopathic icthyosis: a diagnostic conundrum

  • Author(s): Shajil, Chandana;
  • Sathishkumar, Dharshini;
  • Danda, Sumita;
  • Thomas, Meera
  • et al.
Abstract

Epidermolytic ichthyosis (EI) is a rare inherited ichthyosis related to heterozygous mutations in the Keratin 1 or Keratin 10 genes. Because of the broad phenotypic spectrum, it is sometimes difficult to differentiate it from other keratinopathic ichthyoses (KI) in clinical practice. We report an intriguing case of KI presenting as generalized ichthyosis in a reticulate pattern surrounding islands of normal skin, epidermolytic hyperkeratosis and binucleate cells on histopathology, and heterozygous mutation in KRT10. Through this case, we would like to demonstrate the importance of genetic studies and genotype-phenotype correlation in diagnosing such challenging cases.

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