Abstract. Pheochromocytoma is a rare tumor that is found in only 0.1% of patients with diastolic hypertension. We analyze the results of our experience in management of pheochromocytomas and long-term results of its surgical treatment. From 1977 to 1996 we operated on 55 patients with a pheochromocytoma: 29 males and 27 females with an average age of 41 years (range 10–63 years). In 44 (80.0%) patients episodic hypertension or paroxysms were observed; 7 (12.7%) patients had permanent hypertension, and 4 (7.3%) had a normal arterial blood pressure (ABP). 131/123I-MIBG scintigraphy (33 patients) and magnetic resonance imaging (12 patients) showed 100% sensitivity and computed tomography (47 patients) 97.9% sensitivity. At operation five (9.1%) tumors were bilateral, five extraadrenal, and five multiple. In four (7.3%) patients an association with familial syndromes (three MEN-IIb, one von Recklinghausen disease) was observed. Five (9.1%) malignant tumors were discovered, and two patients are still alive 30 and 104 months after surgery, one of them with relapse. In 43 (78.2%) patients we preferred a flank incision, and no intraoperative deaths occurred. Mean follow-up was 88 months (6–232 months) with recurrence in only 1 (2.0%) of 50 patients without malignancy. In patients with benign pheochromocytomas the recurrence rate did not seem to be elevated in our series. Nevertheless, because the lifelong follow-up requires only annual 24-hour urinary catecholamine measurement (less than $40 per patient per year) and periodic ABP measurements, it is suggested for all patients who undergo surgery for pheochromocytoma.
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Favia, G., Lumachi, F., Polistina, F. et al. Pheochromocytoma, a Rare Cause of Hypertension: Long-term Follow-up of 55 Surgically Treated Patients. World J. Surg. 22, 689–694 (1998). https://doi.org/10.1007/s002689900454
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DOI: https://doi.org/10.1007/s002689900454