Primary extrarenal papillary renal cell carcinoma presenting as a neck mass

Primary extrarenal papillary renal cell carcinoma presenting as a neck mass

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Extrarenal primary renal cell carcinoma is an extremely rare entity with limited literature.Characteristic findings of renal cell carcinoma (RCC) at the metastatic site in the absence of a discrete radiological 146 renal lesion can perplex both the clinician and pathologist.We report a case of metastatic primary extrarenal papillary RCC, who presented as a neck mass clinically and radiologically a paraaortic mass with normal Dish Towel bilateral native kidneys.The final diagnosis was aided by histopathological features, further confirmed by targeted immunohistochemical markers.