Precocious Puberty after Hypothalamic and Pituitary Irradiation in Young Children

Abstract
To the Editor: It is well established that endocrine deficiencies occur after radiotherapy for tumors of the head and neck; growth hormone deficiency is the most frequent consequence.1 , 2 We have shown that gonadotropin deficiency can occur and can prevent, disrupt, or perturb pubertal development.3 The present study reports on a group of children with true precocious puberty possibly related to cranial irradiation. This state of endocrine hyperactivity has had very specific effects on statural growth in these children and hence on therapeutic management.In a retrospective study of 29 children with medulloblastoma (n = 14), head and neck tumors (n . . .