医学
染色
组织病理学
胶质瘤
开颅术
室管膜瘤
围手术期
病理
磁共振成像
放射科
病态的
呕吐
外科
癌症研究
作者
Yukiko Nakano,Kohei Nakata,Shigeo Shibata,Yasuhiro Heishima,Hidetaka Nishida,Hiroki Sakai,Hirohito Yano,Hiroaki Kamishina
摘要
Abstract Objective To evaluate the safety of an intraoperative fluorescein sodium (FS) injection and elucidate the relationships between the MRI findings, pathological diagnoses, and intraoperative staining characteristics of intracranial lesions in 22 dogs. Study Design Prospective case series. Animals Twenty‐two dogs with intracranial lesions. Methods FS was intravenously administered to 22 dogs undergoing craniotomy for suspected intracranial tumors to evaluate perioperative and postoperative adverse effects. The intensities and patterns of gadolinium (Gd) enhancement on preoperative magnetic resonance imaging and intraoperative FS staining were graded, and their relationship was evaluated. Intraoperative FS staining characteristics and pathological diagnoses were compared. Results The only adverse effect noted was repetitive vomiting in 2 dogs. The intensities and patterns between preoperative Gd enhancement and intraoperative FS staining appeared to agree. High‐grade glioma and histiocytic sarcoma had more intense FS staining. Lesions with strong Gd enhancement, including meningiomas and choroid plexus tumors, also had intense FS staining. Conclusion The intraoperative use of FS is a simple and safe technique to guide the resection of intracranial lesions in dogs. The findings on Gd enhancement, FS staining, and histopathology appeared to agree but require validation in a larger set of cases. Clinical Significance The intraoperative use of FS may improve the prognosis of dogs with brain tumors by guiding the resection of lesions.
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