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19 October 2020 : Case report  Japan

Acquired Cystic Disease-Associated Renal Cell Carcinoma Extending to the Renal Pelvis Mimicking Urothelial Carcinoma on Computed Tomography (CT): Two Case Reports

Mistake in diagnosis

Hiromi Edo1ABCDEF*, Yohsuke Suyama1ADEF, Hiroaki Sugiura1AEF, Kenichiro Ojima2EF, Keiichi Ito2ABEF, Kosuke Miyai3BDEF, Susumu Matsukuma3CDEF, Hiroshi Shinmoto1ABCDEF

DOI: 10.12659/AJCR.926630

Am J Case Rep 2020; 21:e926630

Figure 1. Computed tomography (CT) images of an acquired cystic disease-associated renal cell carcinoma in the 66-year-old man in Case Report 1. The left renal parenchyma is markedly thin and the dilated pelvis and calyx are filled with masses (*) without obvious enhancement in either phase (A–D). For the region of interest of a part of the lesion, the CT value of each phase was measured. (A) Plane phase (30 Hounsfield units [HUs]). (B) Corticomedullary phase (41 HUs). (C) Nephrographic phase (55 HUs). (D) Early excretory phase (42 HUs). There was no obvious calcification in the mass.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923