hrp0098p1-275 | Pituitary, Neuroendocrinology and Puberty 4 | ESPE2024

Endocrine Deficiency after Photon and Proton Radiotherapy for Medulloblastoma in Hokkaido University Hospital, Japan.

Kaneko Naoya , Hishimura Nozomi , Morikawa Syuntaro , Terashita Yukayo , Hirabayashi Shinsuke , Cho Yuko , Hashimoto Takayuki , Yamaguchi Shigeru , Manabe Atsushi

Background: Medulloblastoma accounts for about 10% of pediatric brain tumor, and about 60 to 100 cases occur in Japan per year. After tumor removal, chemotherapy and radiation therapy including craniospinal irradiation (CSI) are performed. Since the irradiation range of CSI includes hypothalamus, pituitary gland, thyroid, ovaries, and spine, it is known that endocrine deficiency and growth disorders are frequent as late effects. In this study, we aim to highli...