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Juvenile localized scleroderma: clinical and epidemiological features in 750 children. An international study

F Zulian1, B H Athreya, R Laxer

  • 1Dipartimento di Pediatria, Università di Padova, Via Giustiniani 3, 35128 Padova, Italy. zulian@pediatria.unipd.it

Rheumatology (Oxford, England)
|December 22, 2005
PubMed

Insights

Juvenile localized scleroderma (JLS) is a complex group of conditions. This large study details its subtypes, triggers, and immunological markers, aiding in developing better classification criteria for pediatric rheumatology and dermatology.

Area of Science:

  • Pediatric rheumatology
  • Pediatric dermatology
  • Autoimmune diseases

Background:

  • Juvenile localized scleroderma (JLS) encompasses diverse conditions lacking uniform classification.
  • Understanding JLS epidemiology and clinical presentation is crucial for developing diagnostic criteria.

Purpose of the Study:

  • To investigate the epidemiological, clinical, and immunological features of JLS in children.
  • To gather data for the long-term goal of establishing uniform classification criteria for JLS.

Main Methods:

  • A large, multicenter, multinational study involving 750 pediatric patients with JLS from 70 centers.
  • Data collection included demographics, family history, environmental triggers, clinical and laboratory findings, and treatments.

Main Results:

  • Linear scleroderma (65%) was the most common JLS subtype, with 15% presenting with mixed subtypes.
  • Positive antinuclear antibodies (ANA) were observed in 42.3% of patients.
  • Methotrexate was the most frequently utilized treatment, particularly in recent years.

Conclusions:

  • This study is the largest reported collection of JLS patients, highlighting diagnostic delays and varied presentations.
  • Recognizing mixed and other subtypes is essential for improving JLS classification.
  • Findings will inform educational efforts and contribute to a comprehensive JLS classification system.
Abstract

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