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. 2024 Oct 6;12(28):6187-6194.
doi: 10.12998/wjcc.v12.i28.6187.

Incidental renal cell carcinoma post bilateral nephrectomy in autosomal dominant polycystic kidney disease

Min-Ho Shin  1 , Nam-Kyu Choi  2
Affiliations

Incidental renal cell carcinoma post bilateral nephrectomy in autosomal dominant polycystic kidney disease

Min-Ho Shin et al. World J Clin Cases. .

Abstract

Background: Renal cell carcinoma (RCC) is more common in patients with autosomal dominant polycystic kidney disease (ADPKD) than in the general population. Diagnosing RCC in ADPKD is challenging due to the presence of multiple renal cysts, often leading to delays and difficulties in distinguishing RCC from cyst infection or hemorrhage.

Aim: To analyze the prevalence and characterize the clinical features of RCC in patients with ADPKD undergoing simultaneous bilateral native nephrectomy.

Methods: Between May 2017 and April 2024, 19 ADPKD patients undergoing hemodialysis and awaiting kidney transplantation due to end-stage renal disease (ESRD) underwent bilateral nephrectomies in a single center. Parameters such as patient characteristics, intraoperative blood loss, blood transfusion volume, length of hospital stay, and postoperative complications were documented. Pathological findings for RCC were reviewed.

Results: A total of 38 kidneys were excised from 19 patients, with a mean age of 56.8 years and an average hemodialysis duration of 84.2 months. Eight patients underwent open nephrectomies, and 11 underwent hand-assisted laparoscopic nephrectomies. RCC was detected in 15.8% of kidneys, affecting 21.1% of patients. Two patients had multifocal RCC in both kidneys. All RCC cases were pT1 stage, with the largest lesion averaging 16.5 mm in diameter. The average operative duration was 120 minutes, with intraoperative blood loss averaging 184.2 mL. Five patients required blood transfusions. Postoperative complications occurred in five patients, with a mean hospital stay of 17.1 days. The mean follow-up period was 28.1 months.

Conclusion: The prevalence of RCC is higher in patients with ADPKD with ESRD than in those with ESRD alone. Thus, clinicians should be cautious and implement surveillance programs to monitor the development of RCC in patients with ADPKD, particularly those on dialysis.

Keywords: Autosomal dominant polycystic kidney disease; End-stage renal disease; Kidney transplantation; Nephrectomy; Renal cell carcinoma.

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Conflict of interest statement

Conflict-of-interest statement: All authors have no conflict-of-interest.

Figures

Figure 1
Figure 1
Ultrasonography revealing a 1.5-cm hyperechoic nodule in the left kidney.
See this image and copyright information in PMC

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