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Abstract #1174

Validity of skeletal age assessment based on phalanges using a portable MRI

Yasuhiko Terada 1 , Shinya Inamura 1 , Katsumi Kose 1 , Ryo Miyagi 2 , Yasunari Fujinaga 2 , and Hiroshi Yoshioka 2

1 Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki, Japan, 2 Department of Radiological Sciences, University of California Irvine, Orange, CA, United States

Skeletal age can often be evaluated by assessing the maturity of 13 bones in the left hand and wrist of MR images. We have developed a portable hand scanner, which requires no shielding room, occupies only a small fraction of the space, and enables skeletal age examination in remote place. However, the available FOV size is limited and it requires several scans to image all the bones necessary for the skeletal age assessment. In this study, we limit the target bones to phalanges which can be imaged in one scan, and assess the skeletal age based on MR images of the phalanges alone.

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