6Lumachi F, Polistina F, Favia G, et al. Extraadrenal and multiple pheochromocytomas. Are there really any difference in pathophysiology and outcome? J Exp Clin Cancer Res, 1998,17:303-305.
7Leestma JE. Price EB: Paraganglioma of the urinary bladder. Cancer, 1971, 28:1063-1073.
8Maomi LI,Bruce M, Wening M. Adrenal Oncocytic Pheochromocytoma.Am J Surg Pathol, 2000, 24:1552-1557.
