Giant Clear Cell Renal Cell Carcinoma Masquerading as a Renal Cyst in a Dialysis Patient

Yuki Oba; A A Hane; Katsuyuki Miki; Kei Kono; Shinji Ito; Shigekazu Kurihara; Masayuki Yamanouchi; Tatsuya Suwabe; Yutaka Takazawa; Kenichi Ohashi; Yoshifumi Ubara; Yuki Nakamura; Naoki Sawa

doi:10.1016/j.xkme.2025.101137

October 9, 2025Kidney MedicineOpen Access

Giant Clear Cell Renal Cell Carcinoma Masquerading as a Renal Cyst in a Dialysis Patient

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Key Points

To describe the atypical presentation and diagnostic challenge of a giant clear cell renal cell carcinoma clinically mimicking a benign renal cyst in an individual on dialysis.
Clinical and radiologic evaluation of a dialysis patient presenting with an expansive cystic renal lesion.
Surgical intervention followed by histopathologic and immunohistochemical examination to characterize the excised mass.
Diagnostic imaging initially characterized the large renal lesion as a benign or complex fluid-filled cyst.
Pathological examination of the resected surgical specimen confirmed giant clear cell renal cell carcinoma arising within the end-stage kidney.

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Implication

Case report demonstrates giant clear cell renal cell carcinoma masquerading as a renal cyst in a dialysis patient, highlighting critical diagnostic pitfalls.

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Cite This Study

Oba et al. (2025) studied this question.

synapsesocial.com/papers/6aae49fcc646d97a00cd5e5e https://doi.org/10.1016/j.xkme.2025.101137

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Giant Clear Cell Renal Cell Carcinoma Masquerading as a Renal Cyst in a Dialysis Patient

Key Points

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Implication

Abstract

Discussion

Cite This Study

Giant Clear Cell Renal Cell Carcinoma Masquerading as a Renal Cyst in a Dialysis Patient

Key Points

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Implication

Abstract

Discussion

Cite This Study

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