title: Recurrent waist tumor subsequent to percutaneous nephrolithotomy: A case report.
abstract: The present study reports the case of a 39-year old male patient with a recurrent waist tumor that occurred subsequent to percutaneous nephrolithotomy (PCNL). The patient initially underwent PCNL for the management of right calculus of the kidney. Six years later, the patient underwent local mass resection for a tumor at the waist, which was subsequently diagnosed as adenocarcinoma. However, seven months subsequent to local resection, the patient presented to the Affiliated Cancer Hospital of Xiangya Medical School with a one-month history of a recurrent tumor located at the right waist. Physical examination identified no visible skin lesions; however, a palpable hard nodule was present over the right waist. Imaging studies, consisting of computed tomography (CT) and positron emission tomography-CT, indicated no additional metastases. Therefore, the patient underwent local mass resection of the waist tumor. Subsequent histological examination determined a diagnosis of metastatic adenocarcinoma. Considering the previously conducted PCNL surgery and the diagnosis, it is proposed that the recurrent waist tumor originated from renal cell carcinoma (RCC), also termed renal adenocarcinoma. However, no evidence of the original RCC tumor was identified. Therefore, the selection of an effective treatment strategy was challenging.
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Shusuan
authors.initials: S
authors.lastname: Jiang
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China ; Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China.
authors.forename: Sulai
authors.initials: S
authors.lastname: Liu
authors.affiliation: Department of Pathology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Pingping
authors.initials: P
authors.lastname: Tan
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Tieyong
authors.initials: T
authors.lastname: Song
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Y U
authors.initials: YU
authors.lastname: Xie
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Fuhua
authors.initials: F
authors.lastname: Zeng
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Zhizhong
authors.initials: Z
authors.lastname: Liu
authors.affiliation: Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China.
authors.forename: Weiqing
authors.initials: W
authors.lastname: Han
authors.affiliation: Institute of Urology and Nephrology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.
authors.forename: Zengnan
authors.initials: Z
authors.lastname: Mo
authors.affiliation: Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China.
authors.forename: Lin
authors.initials: L
authors.lastname: Qi
keywords: percutaneous nephrolithotomy; renal cell carcinoma; waist tumor