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Surgical experience with retroperitoneal liposarcoma in a single korean tertiary medical center.

 Joon Chae Na  ;  Kyung Hwa Choi  ;  Seung Choul Yang  ;  Woong Kyu Han 
 KOREAN JOURNAL OF UROLOGY, Vol.53(5) : 310-316, 2012 
Journal Title
Issue Date
Follow-up studies ; Liposarcoma ; Retroperitoneal liposarcoma ; Retroperitoneal neoplasms ; Sarcoma
PURPOSE: This is a report of the surgical treatment and prognosis of retroperitoneal liposarcoma (RPLS) in Koreans. MATERIALS AND METHODS: Nineteen patients treated for RPLS between July 1, 1984, and March 31, 2009, were included. Patient demographics, histopathologic subtypes, survival rate, disease recurrence rate and interval, and adjuvant therapy were reviewed and analyzed. RESULTS: Of the 19 patients diagnosed with RPLS, 26.3% presented with well-differentiated RPLS, 10.5% with dedifferentiated RPLS, 15.8% with myxoid/round cell type, and 47.4% with mixed-type liposarcoma. The mean follow-up period was 66.8 months (range, 6 to 165 months). Primary RPLS was treated in 17 patients. Nine patients (52.9%) had recurrent disease, and recurrence developed at a mean of 47.7 months after primary or repeated surgical treatment. The overall survival rate was 84.2% during a mean follow-up of 66.8 months. The 3- and 5-year survival rates were 86.9%, and the 10-year survival rate was 69.5%. The recurrence interval was significantly shorter in recurrent RPLS cases (p=0.023). The mean growth rate of locally recurrent tumors was 0.34 cm per month. CONCLUSIONS: The survival rates reported here were higher than in previous studies. Locally recurrent tumors presented with a low growth rate, which may have contributed to the relatively high survival rate. A high prevalence of mixed-type RPLS was also noted, and its cause and prognosis require further research.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Na, Joon Chae(나준채) ORCID logo https://orcid.org/0000-0003-4449-8472
Yang, Seung Choul(양승철)
Choi, Kyung Hwa(최경화)
Han, Woong Kyu(한웅규) ORCID logo https://orcid.org/0000-0002-2527-4046
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