Enlarged acetabular labra in the Pima Indians

Rosemarie Hirsch, Richard J. Fernandes, Stanley R. Pillemer, Marc C. Hochberg, Nancy E Lane, Roy D. Altman, William C. Knowler, Peter H. Bennett

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective. To report the descriptive epidemiology of acetabular labral enlargement and analyze associations of other variables with this variant. Methods. Pelvis radiographs from 761 Pima Indians aged ≤ 45 years enrolled in a population based study were read by Kellgren-Lawrence global and individual radiographic features grading scales for osteoarthritis (OA) at separate sittings. In total, 722 radiographs remained eligible for this study after excluding 12 unreadable radiographs and 27 cases of radiographic hip OA (Kellgren-Lawrence grade ≤ 2). Enlarged acetabular labra were recorded during readings of individual radiographic features. Results. Enlarged acetabular labra were present in 16% of study participants without OA and were significantly associated with female sex, but not with the variables age, body mass index, clinical hip joint involvement, diabetes, or serum insulin concentrations. Conclusion. Acetabular labral enlargement is common in the Pima Indians, and although not in excess of other reported acetabular margin anomalies, it differs in appearance and is not associated with age. Recognition of this structural variant is important because it can mimic fractures or osteophytes.

Original languageEnglish (US)
Pages (from-to)2210-2212
Number of pages3
JournalJournal of Rheumatology
Volume24
Issue number11
StatePublished - Nov 1997
Externally publishedYes

Fingerprint

Potassium Iodide
Osteoarthritis
Osteophyte
Hip Osteoarthritis
Hip Joint
Pelvis
Reading
Epidemiology
Body Mass Index
Insulin
Serum
Population

Keywords

  • Acetabulum
  • Epidemiology
  • Radiographic

ASJC Scopus subject areas

  • Rheumatology
  • Immunology

Cite this

Hirsch, R., Fernandes, R. J., Pillemer, S. R., Hochberg, M. C., Lane, N. E., Altman, R. D., ... Bennett, P. H. (1997). Enlarged acetabular labra in the Pima Indians. Journal of Rheumatology, 24(11), 2210-2212.

Enlarged acetabular labra in the Pima Indians. / Hirsch, Rosemarie; Fernandes, Richard J.; Pillemer, Stanley R.; Hochberg, Marc C.; Lane, Nancy E; Altman, Roy D.; Knowler, William C.; Bennett, Peter H.

In: Journal of Rheumatology, Vol. 24, No. 11, 11.1997, p. 2210-2212.

Research output: Contribution to journalArticle

Hirsch, R, Fernandes, RJ, Pillemer, SR, Hochberg, MC, Lane, NE, Altman, RD, Knowler, WC & Bennett, PH 1997, 'Enlarged acetabular labra in the Pima Indians', Journal of Rheumatology, vol. 24, no. 11, pp. 2210-2212.
Hirsch R, Fernandes RJ, Pillemer SR, Hochberg MC, Lane NE, Altman RD et al. Enlarged acetabular labra in the Pima Indians. Journal of Rheumatology. 1997 Nov;24(11):2210-2212.
Hirsch, Rosemarie ; Fernandes, Richard J. ; Pillemer, Stanley R. ; Hochberg, Marc C. ; Lane, Nancy E ; Altman, Roy D. ; Knowler, William C. ; Bennett, Peter H. / Enlarged acetabular labra in the Pima Indians. In: Journal of Rheumatology. 1997 ; Vol. 24, No. 11. pp. 2210-2212.
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AB - Objective. To report the descriptive epidemiology of acetabular labral enlargement and analyze associations of other variables with this variant. Methods. Pelvis radiographs from 761 Pima Indians aged ≤ 45 years enrolled in a population based study were read by Kellgren-Lawrence global and individual radiographic features grading scales for osteoarthritis (OA) at separate sittings. In total, 722 radiographs remained eligible for this study after excluding 12 unreadable radiographs and 27 cases of radiographic hip OA (Kellgren-Lawrence grade ≤ 2). Enlarged acetabular labra were recorded during readings of individual radiographic features. Results. Enlarged acetabular labra were present in 16% of study participants without OA and were significantly associated with female sex, but not with the variables age, body mass index, clinical hip joint involvement, diabetes, or serum insulin concentrations. Conclusion. Acetabular labral enlargement is common in the Pima Indians, and although not in excess of other reported acetabular margin anomalies, it differs in appearance and is not associated with age. Recognition of this structural variant is important because it can mimic fractures or osteophytes.

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