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[Pseudoxanthoma elasticum. A X-ray microanalytic study].

J M Fernández Vozmediano1, N Alonso Blasi, F Alonso Trujillo

  • 1Departamento de Medicina (Dermatología Médico-Quirúrgica y Venereología), Hospital Universitario de Puerto Real, Universidad de Cádiz, España.

Annales De Dermatologie Et De Venereologie
|January 1, 1992
PubMed
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This study details a typical case of pseudo-xanthoma elasticum (PXE), a genetic disorder. Findings reveal significant calcium and phosphorus deposits in affected tissues, suggesting a recessive Type I inheritance pattern.

Area of Science:

  • Dermatology
  • Medical Genetics
  • Ophthalmology

Background:

  • Pseudo-xanthoma elasticum (PXE) is a rare genetic disorder affecting elastic tissues.
  • Characterized by skin, eye, and vascular manifestations.
  • Genetic heterogeneity suggests different inheritance patterns and clinical presentations.

Observation:

  • A case of PXE presenting with characteristic skin lesions and angioid streaks.
  • Absence of peripheral vascular system involvement at the time of evaluation.
  • X-ray microanalysis of affected tissues was performed.

Findings:

  • Intense deposits of calcium (Ca) and phosphorus (P) were detected in affected skin areas.
  • Complete absence of silicon (Si) was noted in the analyzed tissue samples.

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  • The genetic profile aligns with recessive Type I PXE.

    • Implications:

    • Understanding PXE pathophysiology through mineral deposition patterns.
    • Correlating genetic findings with clinical presentation for improved diagnosis.
    • Potential for targeted therapies based on understanding mineral imbalances in PXE.