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KMID : 1011820160570050330
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Investigative and Clinical Urology
2016 Volume.57 No. 5 p.330 ~ p.335
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Second primary cancers in patients with urothelial cancers
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Ali Feyzullah ?ahin
Muammer Altok
Fırat Akdeniz
Guner Yıldız
Rauf Taner Divrik
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Abstract
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Purpose: To investigate the second primary cancers (SPCs) in patients with urothelial cancer (UC).
Materials and Methods: The records of 2,339 patients whose UC was diagnosed between January 1974 and December 2012 were reviewed. All data about characteristics of patients, of UC and, of SPC was, recorded digitally. We investigated the prevalence and the type of second or higher order cancers, and the factors associated with SPC.
Results: Total 260 patients (11.1%) had SPC, 14 had a third primary cancer and one had a fourth primary cancer. The most common SPC with UC was lung cancer (29.6%). Of all 260 with SPC, 64 (24.6%) had synchronous (within the 6 months) SPC, 120 (46.2%) had subsequent SPC and, 76 (29.2%) had antecedent SPC. The mean duration of SPC was 56 months in patients with subsequent SPC and 75.8 months in patients with antecedent SPC. The mean age at the time of diagnosis of UC was higher in patients with SPC. The ratio of male gender, body mass index, blood type, status of smoking and, occupational risk was similar in both groups. Total amount of smoking and the mean follow-up were higher in patients with SPC.
Conclusions: The majority of the patients with UC have long life expectancy. In patients with UC, the risk of having another cancer is quite higher than normal population. The physicians managing patients with UC should look for SPC.
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KEYWORD
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Multiple primary neoplasms, Second primary neoplasms, Urothelial neoplasms
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