Computed tomography of renal cell carcinoma in patients with terminal renal impairment

被引:10
|
作者
Ferda, Jiri
Hora, Milan
Hes, Ondrej
Reischig, Tomas
Kreuzberg, Boris
Mirka, Hynek
Ferdova, Eva
Ohlidalova, Kristyna
Baxa, Jan
Urge, Tomas
机构
[1] Charles Univ Hosp, Dept Radiol, CZ-30640 Plzen, Czech Republic
[2] Charles Univ Hosp, Dept Urol, CZ-30640 Plzen, Czech Republic
[3] Charles Univ Hosp, Inst Pathol, CZ-30640 Plzen, Czech Republic
[4] Charles Univ Hosp, Dept Internal Med, Nephrol Unit, CZ-30640 Plzen, Czech Republic
关键词
computed tomography; renal impairment; hemodialysis; kidney; renal cell carcinoma;
D O I
10.1016/j.ejrad.2007.01.027
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Purpose: An increased incidence of renal tumors has been observed in patients with end-stage-renal-disease (ESRD). The very strong association with acquired renal cystic disease (ACRD) and increased incidence of the renal tumors (conventional renal cell carcinoma (CRCC), papillary renal cell carcinoma (PRCC) or papillary renal cell adenoma (PRCA)) was reported. This study discusses the role of computed tomography (CT) in detecting renal tumors in patients with renal impairment: pre-dialysis, those receiving dialysis or with renal allograft transplants. Materials and methods: Ten patients (nine male, one female) with renal cell tumors were enrolled into a retrospective study; two were new dialysis patients, three on long-term dialysis, and five were renal transplant recipients with history of dialysis. All patients underwent helical CT, a total of 11 procedures were performed. Sixteen-row detector system was used five times, and a 64-row detector system for the six examinations. All patients underwent nephrectomy of kidney with suspected tumor, 15 nephrectomies were performed, and 1 kidney was assessed during autopsy. CT findings were compared with macroscopic and microscopic assessments of the kidney specimen in 16 cases. Results: Very advanced renal parenchyma atrophy with small cysts corresponding to ESRD was found in nine patients, chronic pyelonephritis in remained one. A spontaneously ruptured tumor was detected incidentally in one case, patient died 2 years later. In the present study, 6.25% (1/16) were multiple PRCA, 12.5% (2/16) were solitary PRCC, 12.5% tumors (2/16) were solitary conventional renal cell carcinomas (CRCC's), 12.5% tumors (2/16) were multiple conventional renal cell carcinomas (CRCC's), 25% (4/16) were CRCC's combined with multiple papillary renal cell carcinomas with adenomas (PRCC's and PRCA's), and 25% (4/16) of the tumors were multiple PRCC's combined with PRCA's without coexisting CRCC's. Bilateral renal tumors were found in our study in 60% (6/10) confirmed in six cases, one kidney left on follow-up due to the small tumors. Conclusions: With the use of a multi-detector row system, it is possible to detect smaller foci suspected to originate in multiple tumors, especially when up to 3-mm thin multi-planar reconstructions are used. Two cases demonstrated the possibility the development of RCC in impaired kidneys may start before dialysis initiation. (C) 2007 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:295 / 301
页数:7
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