Krzysztof Okon(1), Sergiusz Demczuk(1), Barbara Dobrowolska(2), Ewa Kaznowska(3), Zygmunt Dobrowolski(2), Jerzy Stachura(1)

Asynchronous Collecting Duct Carcinoma of the Kidney and Pulmonary Adenocarcinoma. A Case Report

1)Chair of Pathomorphology,
2)Chair of Urology, Collegium Medicum, Jagiellonian University, Krakow
3)Department of Pathomorphology, Tuberculosis and Pulmonary Disease Specialistic Unit, Rzeszow

Abstract

Collecting duct carcinoma (CDC) is a rare renal malignancy accounting for about 0.4-2.6% of cases. We report a case of CDC in a 61-year-old woman previously operated on for pulmonary adenocarcinoma. On histological examination and immunohistochemical research diagnosis of asynchronous primary bronchial carcinoma and renal CDC was made. The authors review the available literature on CDC and differential diagnosis of metastatic versus primary renal carcinomas.