hyperpituitarism growth hormone-producing pituitary gland neoplasm pituitary gigantism https://www.malacards.org/card/pituitary_gigantism infantile and juvenile forms of acromegaly NANDO:2200314 NCIT:C93046 hypophyseal gigantism SCTID:86073008 MONDO:0020479 NANDO:2100111 MedDRA:10018265 MEDGEN:6602 The condition of accelerated and excessive growth in children or adolescents who are exposed to excess human growth hormone before the closure of epiphyses. It is usually caused by somatotroph hyperplasia or a growth hormone-secreting pituitary adenoma. These patients are of abnormally tall stature, more than 3 standard deviations above normal mean height for age. MESH:D005877 GARD:0006506 Orphanet:99725 UMLS:C0017547 gigantism