hrp0092p2-249 | Sex Differentiation, Gonads and Gynaecology or Sex Endocrinology | ESPE2019

11-Oxygenated Androgens May be Related to the Virilization of Female External Genitalia Due to the Maternal Androgen-Producing Adrenal Tumor

Nagasaki Keisuke , Takase Kaoru , Tani Tomoyuki , Nyuzuki Hiromi , Ogawa Yohei , Numakura Chikahiko , Honma Keiko , Hasegawa Tomonobu

Background: Fetal-derived androgen excess, such as 21-hydroxylase deficiency (21-OHD), is a major cause of 46,XX disorders of sex development (DSD), but there are rarely is due to maternal androgen excess such as that caused by adrenal tumors or luteoma.Recently, in addition to the classical androgen synthesis pathway, the alternative androgen synthesis by backdoor pathway and 11-oxygenated steroids has been reported for virilization of female patients with 21...

hrp0084p1-120 | Puberty | ESPE2015

A Novel LHX4 Mutation is Associated with Hypogonadotropic Hypogonadism, Not Combined Pituitary Hormone Deficiency

Takagi Masaki , Daitsu Takashi , Numakura Chikahiko , Sato Takeshi , Narumi Satoshi , Hasegawa Tomonobu

Background: Mutations in HESX1, SOX3 responsible for combined pituitary hormone deficiency (CPHD) have been identified in a small number of hypogonadotropic hypogonadism (HH), suggesting that the genetic overlap between CPHD and HH.Case presentation: A 2-month-old boy was referred because of micropenis (stretched penile length 1.0 cm) with intrascrotal testes (1 ml). Hormone assays revealed very-low plasma testosterone levels (0.06 ng/m...

hrp0094p2-10 | Adrenals and HPA Axis | ESPE2021

Clinical characteristics of cytochrome P450 oxidoreductase deficiency: a nationwide survey in Japan

Yatsuga Shuichi , Amano Naoko , Nakamura-Utsunomiya Akari , Kobayashi Hironori , Takazawa Kei , Nagasaki Keisuke , Nakamura Akie , Nishigaki Satsuki , Numakura Chikahiko , Fujiwara Ikuma , Minamitani Kanshi , Hasegawa Tomonobu , Tajima Toshihiro ,

Cytochrome P450 oxidoreductase deficiency (PORD) is a disorder of steroidogenesis that causes various symptoms such as skeletal malformations, disorders of sex development, and adrenal insufficiency. The aim of this study was to elucidate the clinical characteristics, especially age at diagnosis and treatment, of PORD from the perinatal period to adulthood in Japan. The first questionnaire was sent to 183 council members of the Japanese Society for Pediatric Endocrinology on 1...