Masahiro Izawa
Tokyo Women's Medical University, The Neurological Institute
Papers
8
Total Citations
164
H-Index
5
About
Masahiro Izawa is a pioneering neurosurgeon whose work has fundamentally reshaped the landscape of stereotactic radiosurgery, particularly for complex skull base pathologies. His research centers on the innovative concept of "robotic microradiosurgery," leveraging the Leksell Gamma Knife Model C with its automatic positioning system to achieve unprecedented precision. Izawa’s major contributions include demonstrating the efficacy of this technique for pituitary adenomas invading the cavernous sinus, as detailed in his highly cited 2010 study (57 citations), and establishing a new treatment paradigm for residual or recurrent craniopharyngiomas (41 citations). He has also advanced the management of vestibular schwannomas, proposing that image-guided robotic radiosurgery can improve tumor shrinkage and preserve audiofacial nerve function. His work on skull base meningiomas introduced the concept that tumor regression may correlate with the radiation energy delivered per lesion volume ("unit energy"). With over 160 cumulative citations, Izawa’s research has provided a robust evidence base for minimally invasive, high-precision radiosurgery, offering patients with benign skull base tumors a powerful alternative to traditional open surgery. His achievements have helped define the modern standard of care in functional and tumor radiosurgery.
Research Focus
Key Achievements
Top Papers
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