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Urschler, M; Krauskopf, A; Widek, T; Sorantin, E; Ehammer, T; Borkenstein, M; Yen, K; Scheurer, E.
Applicability of Greulich-Pyle and Tanner-Whitehouse grading methods to MRI when assessing hand bone age in forensic age estimation: A pilot study.
Forensic Sci Int. 2016; 266(9):281-288
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Autor/innen der Med Uni Graz:
Borkenstein Helmuth Martin
Ehammer Thomas
Krauskopf Astrid
Scheurer Eva
Sorantin Erich
Urschler Martin
Widek Thomas
Yen Kathrin
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Abstract:
Determination of skeletal development is a key pillar in forensic age estimation of living persons. Radiological assessment of hand bone age is widely used until the age of about 17-18 years, applying visual grading techniques to hand radiographs. This study investigated whether Greulich-Pyle (GP) and Tanner-Whitehouse (TW2) grading can be equally used for magnetic resonance imaging (MRI) data, which would offer the huge benefit of avoiding ionizing radiation. In 18 subjects aged between 7 and 17 years a radiograph and an MRI scan of the hand were performed. Epiphyseal ossification of hand bones was rated by two blinded radiologists with both GP and TW2. Correlation between hand MRIs and radiographs was analyzed by linear regression and inter-observer agreement was assessed. Correlation between age estimates from MRI and radiographs was high for both GP (r(2)=0.98) and TW2 (r(2)=0.93). MRI showed a tendency to estimate age slightly lower for 14-18 year-olds, which would be favorable regarding majority age determination in case this result could be reproduced using a currently not existing reference estimation method based on MRI data. Inter-observer agreement was similar for GP in radiographs and MRI, while for TW2, agreement in MRI was lower than in radiographs. In spite of limitations regarding sample size and recruited subjects, our results indicate that the use of GP and TW2 on MRI data offers the possibility of hand bone age estimation without the need for ionizing radiation. Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.
Find related publications in this database (using NLM MeSH Indexing)
Age Determination by Skeleton - instrumentation
Age Determination by Skeleton - standards
Hand Bones - diagnostic imaging
Humans -
Magnetic Resonance Imaging -
Pilot Projects -

Find related publications in this database (Keywords)
Forensic age estimation
Hand-wrist
Greulich-Pyle
Tanner-Whitehouse
X-ray
MRI
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