Labels:text | screenshot | black | black and white OCR: as or lung Carcinoid tumours, usually of the panc e to ectopicmay rarely be the cause of acromegaly d one secretion of hypothalamic growth horm istead of a releasing hormone (GHRH). However, natotroph pituitary tumour, these patients have so theless hyperplasia in the pituitary, which neve may enlarge the fossa. See also: · Ectopic GHRH Syndrome