Abstract #3508
Demonstration of the Collagenous Components of Peripheral Nerve with Short and Ultrashort TE (UTE) Pulse Sequences.
Paolo F. Felisaz 1,2 , Sheronda Statum 2,3 , Jiang Du 2 , Eric Y. Chang 2,3 , Justin M. Brown 4 , Sameer B. Shah 5 , Christine B. Chung 2,3 , Nikolaus M. Szeverenyi 2 , and Graeme M. Bydder 2
1
Department of Radiology, University of
Pavia, Pavia, Italy,
2
Department
of Radiology, University of California San Diego, San
Diego, CA, United States,
3
Department of
Radiology, VA San Diego Healthcare System, San Diego,
CA, United States,
4
Department
of Surgery, University of California San Diego, San
Diego, CA, United States,
5
Department
of Orthopedic Surgery, University of California San
Diego, San Diego, CA, United States
The objective of this study was to use short and
ultrashort TE pulse sequences to demonstrate and
distinguish between the collagenous components of
peripheral nerve (external epineurium, internal
epineurium and perineurium) at 3T and 11.7T. These
tissues are not usually demonstrable with standard pulse
sequences. Conventional spin echo, 2D and 3D UTE, and
UTE-IR sequences were used. Magic angle effects and
susceptibility effects were observed. We were able to
specifically identify the epineurium and the perineurium
within peripheral nerve. Assessing the integrity of
these structures is critical for grading peripheral
nerve injuries and determining the need for
neurosurgical repair.
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