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Titolo:
Relationship between lateral subluxation and widening of medial joint space in Legg-Calve-Perthes disease
Autore:
Song, HR; Lee, SH; Na, JB; Tymowsi, GI; Cho, SH; Koo, KH;
Indirizzi:
Gyeongoreag Natl Univ, Sch Med, Dept Orthopaed Surg, Chinju 660702, South K Gyeong Sang Natl Univ Chinju South Korea 660702 , Chinju 660702, South K
Titolo Testata:
JOURNAL OF PEDIATRIC ORTHOPAEDICS
fascicolo: 5, volume: 18, anno: 1998,
pagine: 637 - 642
SICI:
0271-6798(199809/10)18:5<637:RBLSAW>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Keywords:
lateral subluxation; medial joint-space widening; MRI; Perthes disease;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Song, HR Gyeong Sang Natl Univ, Sch Med, Dept Orthopaed Surg, 92 Chilam Dong, Chinju Gyeong Sang Natl Univ 92 Chilam Dong Chinju South Korea 660702 u
Citazione:
H.R. Song et al., "Relationship between lateral subluxation and widening of medial joint space in Legg-Calve-Perthes disease", J PED ORTH, 18(5), 1998, pp. 637-642

Abstract

Fifty-five patients (61 affected hips and 49 unaffected hips) with Perthesdisease were reviewed to evaluate the relationship between widening of medial joint space and lateral subluxation of the femoral head in radiographs. The components of the medial joint space were evaluated by using T-1, T-2,proton, and Gd-enhanced T1WI magnetic resonance images (MRI). The widened medial joint space in radiographs was filled with overgrown cartilage at the initial stage (27 hips) in MRI, with both overgrown cartilage and widenedtrue medial joint space at the fragmentation stage (23 hips) and widened true medial joint space at the healing stage (11 hips). Between affected hips and unaffected hips, the mean difference of medial joint space in radiographs between hips at the initial stage and at the fragmentation stage was 2and 4.5 mm, respectively; the mean difference in percentage of lack of coverage of the femoral head between hips at the initial stage and at the fragmentation stage was 3 and 15%, respectively. During the healing stage, widening of the medial joint space decreased or normalized because of ossification of overgrown cartilage despite the existence of lateral subluxation because of coxa magna. We concluded that widening of the medial joint space may be used as an index of lateral subluxation at only the fragmentation stage in Perthes disease.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 04:38:22