Labels:text | screenshot | black | font | black and white OCR: The causes of hyperprolactinaemia ma ulting considered, in a simplified fashion, as secretion from four basic disorders of the prolact mechanism: · Hypothalamic dopamine deficiency · Defective dopamine delivery Lactotroph insensitivity to dopamine Stimulation of lactotroph cells ble to In some patients, however, it is not po elucidate the cause of hyperprolactina