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A case of a clinically "silent" pheochromocytoma
K Yoshida1, M Sasaguri, A Kinoshita
1Department of Internal Medicine, School of Medicine, Fukuoka University, Japan.
Japanese Journal of Medicine
|January 1, 1990
Abstract:
A case of a clinically "silent" pheochromocytoma is presented. The adrenal mass was incidentally discovered by abdominal ultrasonography and computed tomography. In the course of hospitalization, the patient was normotensive and asymptomatic. Plasma catecholamine levels were nearly normal, whereas urinary levels of catecholamine metabolites were slightly elevated. A glucagon provocative test and 131I-metaiodobenzylguanidine scintigram were useful for diagnosing such an atypical pheochromocytoma. A discussion of clinically-unsuspected pheochromocytoma is also presented.