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What is The characteristic field defect seen in pituitary tumors is and explain in detail?
Ans. (d) Bitemporal hemianopiaRef: Harrison's 19th ed. /198-199"Bitemporal hemianopia is usually caused by tumors in the region of the sells turcica, pressure by a suprasellar aneurysm or by chronic arachnoiditis; these press upon the chiasma so that the fibers going to thenasal halves of each retina are destroyed. Tumors of the pituitary body are most common.