Scoliosis secondary to a hemivertebra: Seven patients with gradual improvement without treatment

Robert B. Winter, John E. Lonstein

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Study Design: Retrospective case series. Objective: To make clinicians aware of this unusual natural history. Summary of Background Data: Nonprogressive and progressive scolioses due to hemivertebrae have been abundantly documented in the literature. There has been no article describing spontaneous improvement. Two case reports have been described elsewhere in a general article on natural history. Methods: From a previous review of 1250 patients with congenital spine deformity of all types, 7 patients were identified with spontaneous improvement of their scoliosis due to a hemivertebra during growth. Results: The mean curve at start of observation was 31° (range: 24°-43°), and at the end of observation was 19° (range: 10°-30°). Six of the curves were at the thora-columbar region (T11-L2), and the other at T1. The average duration of follow-up was 9 years. Conclusion: Spontaneous curve improvement is rare, but possible. In view of the difficulty of prediction for curves due to a hemivertebra, careful observation with careful curve measurement is recommended. Inappropriate early, aggressive surgery should be avoided.

Original languageEnglish (US)
Pages (from-to)E49-E52
JournalSpine
Volume35
Issue number2
DOIs
StatePublished - Jan 1 2010

Keywords

  • Congenital scoliosis
  • Hemivertebra
  • Natural history

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