Pheochromocytoma of the urinary bladder. Report of 2 cases with ultrastructural and immunohistochemical analyses |
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| Authors: | J O Salo M Miettinen J M?kinen T Lehtonen |
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| Affiliation: | Second Department of Surgery, Helsinki University Central Hospital, Finland. |
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| Abstract: | Two cases of primary pheochromocytoma of the urinary bladder are reported. Ultrastructural demonstration of neuroendocrine granules and immunoreactivity for neuron-specific enolase and synoptophysin, and the absence of cytokeratin, an epithelial marker, are useful features for distinguishing pheochromocytomas from carcinomas of the bladder. |
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