immunohistochemical analyses using antibodies against the major pituitary hormones , the alpha-subunit of glycoprotein hormones , chromogranin and synaptophysin were performed on 10 adenomas with oncocytic parts ( 26 % -50 % oncocytes , group i ) , on 9 oncocytic adenomas with 51 % -75 % oncocytes ( group ii ) , and on 12 oncocytic adenomas with 76 % -100 % oncocytes ( group iii ) .
C0001430
adenomas
C1510502
oncocytic adenomas