_:vb50955091 . _:vb50955091 "A functioning pituitary adenoma that characterized by excess cortisol a primary cause of Cushing's syndrome."^^ . _:vb50955091 . _:vb50955091 "url:http://en.wikipedia.org/wiki/Cushing%27s_syndrome"^^ . _:vb50955091 . _:vb50955091 . _:vb50955091 .