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
Institute of Applied Physics, University of
Tsukuba, Tsukuba, Ibaraki, Japan,
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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