Author contribution: Zhilina AN — patient management until the surgery, writing the article, summing up data of laboratory and instrumental diagnostics during the preoperative and postoperative stages; Melnikova JuE — MRI diagnostics with pheochromocytoma contrasting; Voronina EA — deciphering genetic research; Martyshova AV — literature review of modern data and recommendations regarding management of patients with this pathology.