在肾盂和两个或更多肾盏分支中充满鹿角石。鹿角石的发生率占所有泌尿系结石的10%到20%。我们报告了一例患有右侧鹿角石和肾实质的男性病例，他接受了右侧根治性肾切除术，肾病理解剖结果显示为肾细胞癌（RCC）。一名56岁的男性因右腰痛两个月来就诊。体检结果正常，但腹部CT扫描显示右肾上极有鹿角石伴强化肿块。患者随后接受右侧根治性肾切除术。病理检查显示RCC。肾恶性肿瘤患者存在肾结石的情况很少见。肾结石可能是肾细胞恶性肿瘤的危险因素，而肾细胞恶性肿瘤则可能导致尿液滞留，成为肾结石的危险因素。Nugroho等人进行的一项研究得出结论，对于患有大的和慢性的肾结石的患者，应考虑进行肾和肾盏壁活检，以便及早发现潜在的肾肿瘤。因此，可以进行早期诊断和明确的治疗。肾结石和恶性肿瘤的发现很少见。在慢性且肾结石较大的情况下，尤其是在CT扫描中没有任何恶性征象的鹿角石患者中，应考虑进行肾盂和肾盏壁活检。在这种情况下，治疗的焦点是肿瘤学结果。因此，根治性肾切除术是首选治疗方法。版权所有©2023 作者。由Elsevier Ltd.出版。保留所有权利。

Staghorn stone fills the renal pelvic and two or more branches of renal calyces. The incidence of staghorn stones is between 10 and 20 % of all urinary tract stones. We report the case of a man with right staghorn stones and renal mass who underwent right radical nephrectomy with pathology anatomy result of renal cell carcinoma (RCC).A 56-year-old man came with a complaint of right flank pain for two months. Physical examination is within normal limits, but an abdominal CT scan revealed a staghorn stone with enhancing mass in the upper pole of the right kidney. Patient subsequently underwent right radical nephrectomy. Pathology examination revealed RCC.The presence of kidney stones in renal malignancy is rare. Kidney stones can be a risk factor for renal cell malignancy, and renal cell malignancies can cause urinary stasis, making it a risk factor for kidney stones. A study conducted by Nugroho and colleagues concluded that renal and caliceal biopsy should be considered in large and chronic renal stone due to potential experiencing kidney malignancy in patient with renal stone. Therefore, early diagnosis and definitive can be carried out.Kidney stones and malignancy are rarely found. Renal pelvis, and caliceal wall biopsy should be considered in chronic and large renal stone, especially staghorn stone in patient that did not have any signs of malignancy on CT scan. Treatment in such case is focused on the oncological outcome. Therefore, radical nephrectomy is the treatment of choice.Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.