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Comparison of relia...
Comparison of reliability of magnetic resonance imaging using cartilage and T1-weighted sequences in the assessment of the closure of the growth plates at the knee
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- Kvist, Ola F. T. (author)
- Department of Pediatric Radiology, Karolinska University Hospital, Stockholm, Sweden / Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden,Karolinska Univ Hosp, SWE
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- Moraes, Ana Luiza Dallora (author)
- Blekinge Tekniska Högskola,Institutionen för hälsa
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- Nilsson, Ola, 1970- (author)
- Karolinska Institutet,Örebro universitet,Institutionen för medicinska vetenskaper,Karolinska Inst, Dept Womens & Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, SwedenHlth, Stockholm, Sweden.;Orebro Univ, Sch Med Sci, Orebro, Sweden.,Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden / School of Medical Sciences, Örebro University, Sweden
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- Anderberg, Peter (author)
- Blekinge Tekniska Högskola,Institutionen för hälsa
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- Sanmartin Berglund, Johan, Professor (author)
- Blekinge Tekniska Högskola,Institutionen för hälsa
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- Flodmark, Carl-Erik (author)
- Department of Clinical Sciences in Malm€o, Lunds University, Lund, Sweden,Lund Univ, SWE
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- Diaz, Sandra (author)
- Karolinska Institutet,Department of Pediatric Radiology, Karolinska University Hospital, Stockholm, Sweden / Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden / Department of Radiology, Lunds University, Sweden,Karolinska Univ Hosp, SWE
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(creator_code:org_t)
- 2020-09-30
- 2020
- English.
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In: Acta Radiologica Open. - London : Sage Publications. - 2058-4601. ; 9:9, s. 1-9
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Abstract
Subject headings
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- Background: Growth development is traditionally evaluated with plain radiographs of the hand and wrist to visualize bone structures using ionizing radiation. Meanwhile, MRI visualizes bone and cartilaginous tissue without radiation exposure. Purpose: To determine the state of growth plate closure of the knee in healthy adolescents and young adults and compare the reliability of staging using cartilage sequences and T1-weighted (T1W) sequence between pediatric and general radiologists. Material and Methods: A prospective, cross-sectional study of MRI of the knee with both cartilage and T1W sequences was performed in 395 male and female healthy subjects aged between 14.0 and 21.5 years old. The growth plate of the femur and the tibia were graded using a modified staging scale by two pediatric and two general radiologists. Femur and tibia were graded separately with both sequences. Results: The intraclass correlation was overall excellent. The inter- and intra-observer agreement for pediatric radiologists on T1W was 82% (kappa = 0.73) and 77% (kappa = 0.65) for the femur and 90% (kappa = 0.82) and 87% (kappa = 0.75) for the tibia. The inter-observer agreement for general radiologists on T1W was 69% (kappa = 0.56) for the femur and 56% (kappa = 0.34) for the tibia. Cohen's kappa coefficient showed a higher inter- and intra-observer agreement for cartilage sequences than for T1W: 93% (kappa = 0.86) and 89% (kappa = 0.79) for the femur and 95% (kappa = 0.90) and 91% (kappa = 0.81) for the tibia. Conclusion: Cartilage sequences are more reliable than T1W sequence in the assessment of the growth plate in adolescents and young adults. Pediatric radiology experience is preferable.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Ortopedi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Orthopaedics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Keyword
- Growth plate
- cartilage
- MRI of the knee
- growth failure
- growth development
Publication and Content Type
- ref (subject category)
- art (subject category)
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