Objective To investigate the safety of treatment for pheochromocytoma (PCMCT) during its perioperative period. Methods The clinical treatment of 11 cases with PCMCT was summarized,the method of vasodilatation and blood pressure control during and after operation were especially analyzed. Results nine cases showed good prognosis clinically,1 case died and operation was given up in one case. Conclusions Vasoactive durgs used during perioperative period of PCMCT should be chosen according to its clinical types.It is particularly important for the ...