Are any adrenal tumors benign

Adrenal tumors are mostly benign. Adrenal cortical carcinoma is less common. metastatic adrenal carcinoma is more common than primary adrenal cortical carcinoma. Adrenal tumors are most common in primary aldosteronism, cortisolism, and catecholamines. Primary aldosteronism is characterized by hypertension and hypokalemia. Hypertension patients are mainly diastolic blood pressure rise, antihypertensive drug control effect is not good, will show muscle weakness performance, may show periodic paralysis paralysis, etc., but also certainly polydipsia, mainly caused by excessive aldosterone secretion. Cortisol, the most important manifestations are concentric obesity, skin thinning, subcutaneous fingerprints and hypertension, these hypertension is mainly mild or moderate hypertension, may also show gonadal dysfunction, mainly female menstrual irregularities, even amenorrhea; catecholamine disease, mainly pheochromocytoma, this type of tumor is malignant hypertension, may also show metabolic disorders, and catecholamine cardiomyopathy. Hypertension is mainly a lot of sweating, palpitation, nausea, vomiting, showing heart failure, severe headache, pulmonary edema and so on.