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Diagnosis of diseases of steroid hormone production, metabolism and action Honour JWJ Clin Res Pediatr Endocrinol 2009[]; 1 (5): 209-26Biochemical tests have been the basis for investigations of disorders affecting steroid hormones. In recent years it has been possible however to study the genes that determine functional enzymes, cofactors, receptors, transcription factors and signaling systems that are involved in the process. Analyses of mutations are available as a diagnostic service for only a few of these genes although research laboratories may be able to provide a service. Both biochemical and genetic research have brought to light new disorders. Some genes for transcription factors involved in the development of the endocrine organs have also been identified and patients with defects in these processes have been found. This paper will review general aspects of adrenal disorders with emphasis on clinical and laboratory findings. As with all endocrine investigations there are few single measurements that provide a definitive answer to a diagnosis. Timing of samples in relation to age, gender and time of day needs to be considered.|Adrenal Hyperplasia, Congenital/diagnosis[MESH]|Adrenal Insufficiency/diagnosis[MESH]|Adrenocorticotropic Hormone/blood[MESH]|Androgens/deficiency/metabolism[MESH]|Child[MESH]|Child, Preschool[MESH]|Cushing Syndrome/diagnosis[MESH]|Endocrine System Diseases/*diagnosis/metabolism[MESH]|Female[MESH]|Humans[MESH]|Hydrocortisone/metabolism[MESH]|Infant[MESH]|Infant, Newborn[MESH]|Male[MESH]|Mineralocorticoid Excess Syndrome, Apparent/diagnosis[MESH]|Pituitary ACTH Hypersecretion/diagnosis[MESH]|Steroids/*metabolism[MESH] |
