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African Journal of Urology
Fig. 2 | African Journal of Urology

Fig. 2

From: Primary small cell carcinoma of the ureter with associated hyponatremia and rapid progression to bladder involvement: a case report

Fig. 2

A medium power view of the lesion (A) showing features of a high-grade malignant tumor that is muscle invasive. The tumor shows no overt evidence of urothelial differentiation, but the morphological features do suggest a neuroendocrine phenotype. A higher power view (B) demonstrates prominent proliferation with numerous mitotic figures, some atypical, together with evidence of apoptosis. The tumor shows widespread positive staining for synaptophysin (C)

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