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Proteus syndrome: an update.

M Michael Cohen1

  • 1Dalhousie University, Halifax, Nova Scotia, Canada. michael.cohen@dal.ca

American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
|July 13, 2005
PubMed
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Proteus syndrome is a rare disorder causing asymmetric overgrowth and various skin and tissue abnormalities. Somatic mosaicism is the leading hypothesis, though unproven, for this complex genetic condition.

Area of Science:

  • Genetics
  • Dermatology
  • Pathology

Background:

  • Proteus syndrome presents with variable, asymmetric overgrowth, connective tissue nevi, epidermal nevi, vascular malformations, and dysregulated adipose tissue.
  • Severe complications include pulmonary embolism, cystic lung disease, and neoplasms.
  • Somatic mosaicism is the leading hypothesis for Proteus syndrome's etiology, though it remains unproven.

Purpose of the Study:

  • To review the diagnostic criteria for Proteus syndrome.
  • To discuss the evaluation and management of patients with Proteus syndrome.
  • To highlight the challenges in diagnosing Proteus syndrome accurately.

Main Methods:

  • Literature review on Proteus syndrome.
  • Analysis of clinical manifestations and diagnostic criteria.

Related Experiment Videos

  • Discussion of current understanding of etiology and management.

    • Main Results:

    • Proteus syndrome is characterized by a spectrum of overgrowth and nevi.
    • Misdiagnosis is common due to the variable presentation.
    • Somatic mosaicism is the most plausible, yet unconfirmed, genetic mechanism.

    Conclusions:

    • Accurate diagnosis is crucial for appropriate management of Proteus syndrome.
    • Further research is needed to confirm the etiology.
    • Comprehensive evaluation and management strategies are essential for affected individuals.