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Neurofibromatosis update.

Alvin H Crawford1, Elizabeth K Schorry

  • 1Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. alvin.crawford@cchmc.org

Journal of Pediatric Orthopedics
|May 4, 2006
PubMed
Summary

Type 1 neurofibromatosis (NF-1), or von Recklinghausen disease, is a common genetic disorder with varied symptoms. Early recognition of orthopedic issues like spinal deformity is crucial for management, though cures are rare.

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Area of Science:

  • Genetics
  • Orthopedics
  • Pediatrics

Background:

  • Type 1 neurofibromatosis (NF-1), also known as von Recklinghausen disease, is a prevalent single-gene disorder affecting over a million individuals globally.
  • NF-1 presents with diverse clinical manifestations impacting skin, nervous tissue, bones, and soft tissues, diagnosed via National Institutes of Health criteria.
  • While most children with NF-1 have no major orthopedic issues, early recognition of musculoskeletal involvement is critical.

Purpose of the Study:

  • To highlight the spectrum of musculoskeletal manifestations in Type 1 neurofibromatosis.
  • To emphasize the importance of early diagnosis and management of orthopedic complications in NF-1 patients.
  • To present incidence statistics of various orthopedic issues in a pediatric NF-1 cohort.

Main Methods:

  • Retrospective analysis of a database from the Cincinnati Children's Hospital Neurofibromatosis Center.
  • Inclusion of 588 patients diagnosed with NF-1.
  • Categorization and statistical analysis of specific musculoskeletal manifestations.

Main Results:

  • Spinal deformity occurred in 21% of pediatric NF-1 patients.
  • Pectus deformity (4.3%), limb-length inequality (7.1%), congenital tibial dysplasia (5%), and hemihypertrophy (1.4%) were observed.
  • Plexiform neurofibromas were present in 25% of patients.

Conclusions:

  • Musculoskeletal complications in NF-1, including spinal deformity and congenital tibial dysplasia, require vigilant evaluation.
  • Orthopedic issues associated with NF-1 are manageable but rarely curable.
  • Advances in molecular genetics offer hope for improved outcomes in NF-1 management.

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