Labels:text | screenshot | black | black and white OCR: e overall llooning Frequently, pituitary tumours increase t size of the fossa and cause blistering or b of the floor of the pituitary fossa. gat the The AP view is also helpful when lookin he pituitarypituitary region. Normally, the floor of f the sella fossa is flat; an obvious dip in the floor o nour, The turcica may indicate the presence of a tu w the position of this indentation may also sh ary gland. location of the tumour within the pituit