Keiya Hirata1, Osamu Tachibana2, Chihiro Watari1, Tatsunori Kuroda1, Nanako Miyamoto1, Saeko Tomida1, Masaru Takahashi1, Tomokazu Oku1, Shigeo Miyazaki1, Masahiro Kawashima1, Naoko Tsuchiya3, Ichirou Toyota3, Mariko Doai3, and Hisao Tonami3
1Division of radiology, Kanazawa medical university, Uchinada, Japan, 2Department of neurosurgery, Kanazawa medical university, Uchinada, Japan, 3Department of radiology, Kanazawa medical university, Uchinada, Japan
Transsphenoidal surgery is performed in the surgery of the pituitary region. The perforating branch which performs a nutrient of optic nerve and a mamillary body is present in the cistern around the pituitary gland. We can reduce complications of the surgery if we can identify a perforating branch before surgery.We try to visualize the perforating branch as black blood MRA using the high spatial resolution 3D-FSE sequence. We examined the optimal conditions at phantoms and normal volunteers. The optimal condition was a combination of TR2400msec/2shots, and the imaging time was 20 min and 45 s.
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