Objective: Indocyanine green (ICG) has been used in endoscopic surgery in the neurosurgical field, but it has been challenging to determine the associated efficiency due to limitations with visualization in the previous endoscopic system. A new endoscopic system was recently introduced; therefore, we summarize our experiences with the application and integration of the system.
Methods: From March to June 2021, a newly introduced endoscopic system was used in 10 patients. (8 pituitary adenomas, and 2 tuberculum sellae meningiomas) and 12.5 mg of ICG was injected for each study.
Results: Six pituitary adenomas, including one acromegaly, were well identified with ICG. However, two pituitary adenomas, presented with apoplexy and two meningiomas were not visualized with ICG.
Conclusions: The ICG provides real-time information during endoscopic endonasal surgery. We suggest that the pituitary adenoma can be stained with an ICG using the fusion-fluorescence imaging endoscopic system. This approach will enhance the surgeon's ability to remove the tumor with preserve the normal gland more safely.
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