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[Papular acantholytic dyskeratosis].

H L de Almeida Júnior1, M Wolter, L A Castro

  • 1Medizinische Fakultät der Bundesuniversität Pelotas, Av. Duque de Caxias 250, 96.030-002 Pelotas RS Brasilien. hiramalmeidajr@hotmail.com

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|March 26, 2002
PubMed
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Papular acantholytic dyskeratosis, a rare acquired skin condition, presents with lesions mimicking Darier disease. Successful treatment was achieved using cryotherapy.

Area of Science:

  • Dermatology
  • Histopathology
  • Electron Microscopy

Context:

  • Papular acantholytic dyskeratosis is an exceptionally rare skin disorder.
  • It histologically resembles Darier disease but lacks a genetic basis.
  • Lesions are acquired, presenting as papules on the skin.

Purpose:

  • To describe the clinical and histological features of papular acantholytic dyskeratosis.
  • To investigate the ultrastructural changes using transmission electron microscopy.
  • To report a successful treatment modality for this rare condition.

Summary:

  • A case study of a 40-year-old woman with approximately 200 papules on her lower legs.
  • Histological examination revealed suprabasilar clefts with acantholytic and dyskeratotic cells, characteristic of papular acantholytic dyskeratosis.

Related Experiment Videos

  • Transmission electron microscopy demonstrated reduced desmosomes and perinuclear tonofilament distribution.

    • Impact:

    • Highlights the distinction between acquired papular acantholytic dyskeratosis and genetic Darier disease.
    • Provides insights into the ultrastructural pathology of this rare skin condition.
    • Demonstrates the efficacy of cryotherapy for managing papular acantholytic dyskeratosis.