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Acral peeling skin syndrome.

K Hashimoto1, I Hamzavi, K Tanaka

  • 1Department of Dermatology and Syphilology, Wayne State University School of Medicine, Detroit, Michigan, USA.

Journal of the American Academy of Dermatology
|December 2, 2000
PubMed
Summary

Peeling skin syndrome, a rare genetic disorder, can manifest in localized forms. This case study details a patient with acral peeling skin, suggesting a variant of the generalized condition.

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Area of Science:

  • Dermatology
  • Genetics
  • Cell Biology

Background:

  • Peeling skin syndrome (PSS) is a rare autosomal recessive disorder.
  • It typically presents with widespread, painless peeling of the skin in superficial sheets.
  • Previously, PSS has been described exclusively as a generalized condition.

Observation:

  • A 34-year-old man presented with a lifelong history of spontaneous, asymptomatic peeling skin.
  • The peeling was exclusively limited to the acral surfaces (hands and feet).
  • This presentation suggested a potential localized variant of peeling skin syndrome.

Findings:

  • Microscopic examination revealed abnormal keratohyalin granules.
  • Inadequate aggregation of keratin filaments was observed, leading to epidermal separation.
  • Separation occurred within the stratum corneum, specifically through the clear zone.
  • The possibility of unknown keratin species contributing to the abnormality was also considered.

Implications:

  • This case expands the known clinical spectrum of peeling skin syndrome.
  • It highlights the potential for localized variants of this rare genodermatosis.
  • Understanding the specific ultrastructural defects may aid in future diagnosis and management.

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