MRI of the sacroiliac joint in healthy children

Nancy Chauvin, Rui Xiao, Timothy G. Brandon, David M. Biko, Michael Francavilla, Dmitry Khrichenko, Pamela F. Weiss

Research output: Contribution to journalArticle

Abstract

OBJECTIVE. Increasing reliance on MRI for the evaluation of sacroiliitis requires that radiologists be familiar with the normal appearance of the developing sacroiliac joint. We describe age-related MRI features of the sacroiliac joints in healthy children. SUBJECTS AND METHODS. Seventy healthy children from three age groups prepubertal (8-10 years), peripubertal (11-13 years), and approaching skeletal maturity (14-17 years) completed questionnaires and underwent sacroiliac joint MRI. Imaging studies were evaluated by three experienced pediatric radiologists. Metaphyseal-equivalent signal intensity, nonperiarticular osteitis, cartilage volume, joint fluid, enthesitis, and surface cortex irregularities were evaluated. Metaphyseal-equivalent signal intensity was evaluated using an ordinal grading system (types I-IV). Intraclass correlation coefficients were calculated to assess interrater reliability. RESULTS. Increased metaphyseal-equivalent signal intensity (types I and II) was present in most prepubertal children and in less than 10% of the group approaching skeletal maturity. More prepubertal girls had type I signal than boys, but signal progressed to type IV signal faster in girls than in boys. None of the subjects had subchondral marrow edema, but four subjects had nonperiarticular osteitis. Cartilage volumes decreased with advancing age in girls and, on average, were lower in girls than in boys of the same age. One subject had measurable joint fluid. Cortex irregularities were common (57.1%), most frequently seen along the iliac bone (51.4% ilium vs 11.4% sacrum, p < 0.01) and in the upper quadrants (42.8% upper vs 27.1% lower, p = 0.01). CONCLUSION. We provide valuable reference MRI descriptions of the healthy pediatric sacroiliac joint that should improve our ability to distinguish between normal and pathologic findings.

Original languageEnglish (US)
Pages (from-to)1303-1309
Number of pages7
JournalAmerican Journal of Roentgenology
Volume212
Issue number6
DOIs
StatePublished - Jun 1 2019

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Sacroiliac Joint
Osteitis
Cartilage
Joints
Sacroiliitis
Pediatrics
Ilium
Sacrum
Edema
Age Groups
Bone Marrow
Bone and Bones
Radiologists

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

Cite this

Chauvin, N., Xiao, R., Brandon, T. G., Biko, D. M., Francavilla, M., Khrichenko, D., & Weiss, P. F. (2019). MRI of the sacroiliac joint in healthy children. American Journal of Roentgenology, 212(6), 1303-1309. https://doi.org/10.2214/AJR.18.20708
Chauvin, Nancy ; Xiao, Rui ; Brandon, Timothy G. ; Biko, David M. ; Francavilla, Michael ; Khrichenko, Dmitry ; Weiss, Pamela F. / MRI of the sacroiliac joint in healthy children. In: American Journal of Roentgenology. 2019 ; Vol. 212, No. 6. pp. 1303-1309.
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Chauvin, N, Xiao, R, Brandon, TG, Biko, DM, Francavilla, M, Khrichenko, D & Weiss, PF 2019, 'MRI of the sacroiliac joint in healthy children', American Journal of Roentgenology, vol. 212, no. 6, pp. 1303-1309. https://doi.org/10.2214/AJR.18.20708

MRI of the sacroiliac joint in healthy children. / Chauvin, Nancy; Xiao, Rui; Brandon, Timothy G.; Biko, David M.; Francavilla, Michael; Khrichenko, Dmitry; Weiss, Pamela F.

In: American Journal of Roentgenology, Vol. 212, No. 6, 01.06.2019, p. 1303-1309.

Research output: Contribution to journalArticle

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AU - Xiao, Rui

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Chauvin N, Xiao R, Brandon TG, Biko DM, Francavilla M, Khrichenko D et al. MRI of the sacroiliac joint in healthy children. American Journal of Roentgenology. 2019 Jun 1;212(6):1303-1309. https://doi.org/10.2214/AJR.18.20708