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Trends in the incidence of benign pathological lesions at partial nephrectomy for presumed renal cell carcinoma in renal masses on preoperative computed tomography imaging: a single institute experience with 290 consecutive patients

 Seung Hwan Lee  ;  Sang Un Park  ;  Koon Ho Rha  ;  Young Deuk Choi  ;  Sung Joon Hong  ;  Seung Choul Yang  ;  Sang Yol Mah  ;  Byung Ha Chung 
 INTERNATIONAL JOURNAL OF UROLOGY, Vol.17(6) : 512-516, 2010 
Journal Title
Issue Date
Adult ; Aged ; Carcinoma, Renal Cell/diagnosis* ; Carcinoma, Renal Cell/epidemiology* ; Carcinoma, Renal Cell/surgery ; Female ; Humans ; Incidence ; Kidney Neoplasms/diagnosis* ; Kidney Neoplasms/epidemiology* ; Kidney Neoplasms/surgery ; Male ; Middle Aged ; Nephrectomy*/methods ; Preoperative Care ; Tomography, X-Ray Computed* ; Young Adult
benign histology ; computed tomography ; kidney ; partial nephrectomy ; renal cell carcinoma
OBJECTIVE: The aim of this study was to determine trends in the incidence of benign lesions in patients undergoing surgery for suspicious renal masses on preoperative computed tomography scan. METHODS: The records of 1065 patients who underwent open consecutive partial nephrectomy (PN) or radical nephrectomy (RN) between January 2001 and December 2008 were reviewed. Patients who underwent PN during the periods 2001-2002, 2003-2004, 2005-2006, and 2007-2008 were assigned to groups 1, 2, 3 and 4, respectively. The frequencies of benign and malignant lesions in these groups were assessed according to size and histology subtypes. RESULTS: The ratio of PN to RN was 12.4%, 18.3%, 24.3% and 37.2% in groups 1, 2, 3 and 4, respectively (P < 0.05). The mean size of resected lesions was 2.6 cm (range 0.8-6.2 cm). Of the 290 cases, histopathology revealed benign findings in 52 (17.9%). Benign pathology was found in three of 18 cases (16.7%) in group 1, seven of 36 cases (19.4%) in group 2, 12 of 63 cases (19.0%) in group 3 and 30 of 173 cases (17.3%) in group 4. There was no significant difference in the frequency of benign histology among groups. CONCLUSION: PN, as opposed to RN, has shown a rising tendency over time. The frequency of benign pathology findings after PN for suspicious renal masses on preoperative computed tomography imaging has not decreased. Proper management should favor nephron-sparing surgery for renal lesions if such lesions can be removed satisfactorily with PN.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Mah, Sang Yol(마상열)
Yang, Seung Choul(양승철)
Lee, Seung Hwan(이승환) ORCID logo https://orcid.org/0000-0001-7358-8544
Chung, Byung Ha(정병하) ORCID logo https://orcid.org/0000-0001-9817-3660
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
Hong, Sung Joon(홍성준) ORCID logo https://orcid.org/0000-0001-9869-065X
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