Ossification of the posterior longitudinal ligament in one of a pair of identical twins concordant for ankylosing spondylitis

I. Olivieri, N. Pappone, A. Padula, C. Rengo, G. P. Ruju, A. Pucino, D. Trippi, S. Ferri, G. Pasero

Research output: Contribution to journalArticle


A pair of identical twins suffering from ankylosing spondylitis is reported. One brother developed an earlier-onset disease and showed ossification of the posterior longitudinal ligament and the flavum ligament in his cervical spine.

Original languageEnglish
Pages (from-to)309-311
Number of pages3
JournalClinical Rheumatology
Issue number2
Publication statusPublished - Jun 1994



  • Ankylosing Spondylitis
  • Monozygotic Twins
  • Posterior Longitudinal Ligament Ossification

ASJC Scopus subject areas

  • Rheumatology
  • Immunology

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