Inclusion and exclusion criteria
tumor, arrhythmia, pheochromocytomas, retroperitoneal infection, diabetes
TUMOR, ARRHYTHMIA, PHEOCHROMOCYTOMAS, ECTOPIC PHEOCHROMOCYTOMA, HEART FAILURE, PHEOCHROMOCYTOMA, RETROPERITONEAL INFECTION, DISEASES, DIABETES
For all the enrolled GP cases, the general inclusion criteria were: age 20 to 60 years; clear preoperative diagnosis of pheochromocytoma; preoperative imaging examination (CT or MRI) showing that the maximum diameter of the tumor was ≥ 6 cm, preoperative volume expansion was completed, and signed the informed consent form.The exclusion criteria were as follows: age < 20 or > 60 or severely disabled; bilateral pheochromocytomas or ectopic pheochromocytomas; previous history of retroperitoneal infection or surgical operation; severe underlying diseases such as poor control of diabetes, arrhythmia, heart failure, etc.; and refusal to sign the informed consent form.