the authors present a case-report a 43 years old, female patient presenting with an eight-year history of hypertension caused by an adrenal adenoma. hypokalemia and supressed plasma renina confirmed the diagnosis of primary hyperaldosteronism. an abdominal computed tomography revealed a right adrenal mass. the patient was successfully treated laparoscopically. the histopathological diagnosis was adenoma. the patient had normal blood pressure within three months.