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Rib deformities in congenital scoliosis.

Abstract：

STUDY DESIGN:Retrospective review. OBJECTIVE:To identify the incidence and characteristics of rib anomalies in patients with congenital scoliosis (CS) in a Chinese population. SUMMARY OF BACKGROUND DATA:Rib deformities and intraspinal anomalies often coexist in individuals with CS. Rib deformities may assist in diagnosing occult anomalies in these patients. The incidence of rib anomalies and the relationship between rib and vertebral abnormalities in Chinese patients with CS have not been reported. METHODS:A total of 382 patients operated on at Peking Union Medical College Hospital during January 2010 to October 2012 were identified from a single institutional database. The demographic distribution, clinical and radiographical data were collected to investigate the incidence of rib anomalies, and the vertebral and intraspinal abnormalities associated with it. RESULTS:A total of 192 patients (50.3%) were documented with rib anomalies including numerical variation (46.4%) and structural changes (72.4%). Missing ribs was the most commonly seen anomaly in these patients, accounting for 43.8% of the rib anomalies. Of the patients with rib anomalies, a slightly higher proportion of patients had simple anomalies, 106 (55.2%) versus 86 (44.8%). Rib changes were most common in patients with thoracic or thoracolumbar vertebral anomalies, and occurred most frequently on the concave side (65.5%) or in the lower thoracic spine (36.5%). The overall incidence rate of intraspinal anomalies was 40.1% (153/382), and these were most commonly seen in patients with thoracic vertebral anomalies or with upper and middle thoracic rib anomalies. CONCLUSION:The incidence of rib anomalies was 50.3% in surgical patients with CS. The rib anomalies vary with the location and type of vertebral anomalies. The incidence of intraspinal anomalies was significantly higher in patients with rib anomalies than in those without rib anomalies. LEVEL OF EVIDENCE:4.

journal_name

Spine (Phila Pa 1976)

journal_title

Spine

authors

Xue X,Shen J,Zhang J,Zhao H,Li S,Zhao Y,Liang J,Qiu G,Weng X

doi

10.1097/BRS.0000000000000008

subject

Has Abstract

pub_date

2013-12-15 00:00:00

pages

E1656-61

issue

eissn

0362-2436

issn

1528-1159

pii

00007632-201312150-00011

journal_volume

pub_type

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Rib deformities in congenital scoliosis.