Transsphenoidal pituitary resection with intraoperative MR guidance: preliminary results

Richard S. Pergolizzi Jr.; Richard B. Schwartz; Liangge Hsu; Terence Z. Wong M.D.; Peter McLaren Black; Claudia Martin M.D.; Ferenc A. Jolesz

doi:10.1117/12.348742

19 May 1999 Transsphenoidal pituitary resection with intraoperative MR guidance: preliminary results

Richard S. Pergolizzi Jr., Richard B. Schwartz, Liangge Hsu, Terence Z. Wong M.D., Peter McLaren Black, Claudia Martin M.D., Ferenc A. Jolesz

Author Affiliations +

Proceedings Volume 3594, Thermal Treatment of Tissue with Image Guidance; (1999) https://doi.org/10.1117/12.348742
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

The use of intraoperative MR image guidance has the potential to improve the precision, extent and safety of transsphenoidal pituitary resections. At Brigham and Women's Hospital, an open-bore configuration 0.5T MR system (SIGNA SP, GE Medical Systems, Milwaukee, WI) has been used to provide image guidance for nine transsphenoidal pituitary adenoma resections. The intraoperative MR system allowed the radiologist to direct the surgeon toward the sella turcica successfully while avoiding the cavernous sinus, optic chiasm and other sensitive structures. Imaging performed during the surgery monitored the extent of resection and allowed for removal of tumor beyond the surgeon's view in five cases. Dynamic MR imaging was used to distinguish residual tumor from normal gland and postoperative changes permitting more precise tumor localization. A heme-sensitive long TE gradient echo sequence was used to evaluate for the presence of hemorrhagic debris. All patients tolerated the procedure well without significant complications.

Citation Download Citation

Richard S. Pergolizzi Jr., Richard B. Schwartz, Liangge Hsu, Terence Z. Wong M.D., Peter McLaren Black, Claudia Martin M.D., and Ferenc A. Jolesz "Transsphenoidal pituitary resection with intraoperative MR guidance: preliminary results", Proc. SPIE 3594, Thermal Treatment of Tissue with Image Guidance, (19 May 1999); https://doi.org/10.1117/12.348742

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