RT Journal Article
SR Electronic
T1 A New Technique of Surface Anatomy MR Scanning of the Brain: Its Application to Scalp Incision Planning
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 515
OP 518
VO 20
IS 3
A1 Tsuchiya, Kazuhiro
A1 Katase, Shichiro
A1 Hachiya, Junichi
A1 Hiyama, Takami
A1 Shiokawa, Yoshiaki
YR 1999
UL http://www.ajnr.org/content/20/3/515.abstract
AB BACKGROUND AND PURPOSE: Surface anatomy scanning (SAS) is an established technique for demonstrating the brain's surface. We describe our experience in applying SAS with superposition of MR venograms to preoperative scalp incision planning.METHODS: In 16 patients, scalp incision planning was done by placing a water-filled plastic tube at the intended incision site when we performed SAS using half-Fourier single-shot fast spin-echo sequences. Two-dimensional phase-contrast MR angiograms were obtained to demonstrate the cortical veins and then superimposed upon the SAS images. The added images were compared with surgical findings using a four-point grading scale (0 to 3, poor to excellent).RESULTS: In each case, neurosurgeons could easily reach the lesion. Surgical findings correlated well with MR angiogram–added SAS images, with an average score of 2.56.CONCLUSION: Our simple technique is a useful means of preoperatively determining brain surface anatomy and can be used to plan a scalp incision site.