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Paraganglioma of Bladder

slide 6 of 26


Comments:
This paraganglioma has abundant amphophilic cytoplasm. The nests (Zellballen) are indistinct. The biologic behavior of paragangliomas cannot be predicted from histologic features. About 10% of bladder paragangliomas behave in a malignant fashion and are capable of metastases.

slide 6 of 26