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A, Distribution of pituitary hormone deficiencies in proton beam irradiation-treated group of young patients with brain tumors (N = 9). B, Distribution of pituitary hormone deficiencies in young patients with brain tumors receiving conventional plus proton beam irradiation (N = 4). ACTH = adrenocorticotropic hormone; GH = growth hormone; Hypogonad = hypogonadotropic hypogonadism; MPHD = multiple pituitary hormone deficiencies; TSH = thyroid-stimulating hormone.
