Incidence trends for epithelial peritoneal, ovarian, and fallopian tube cancer during 1999-2016: a retrospective study based on the Korean National Cancer Incidence Database

• Published in: Journal of gynecologic oncology Vol. 31; no. 4; p. e56
• Main Authors: Shin, Wonkyo, Won, Young Joo, Yoo, Chong Woo, Lim, Jiwon, Lim, Myong Cheol
• Format: Journal Article
• Language: English
• Published: Korea (South) Asian Society of Gynecologic Oncology; Korean Society of Gynecologic Oncology 01.07.2020; 대한부인종양학회
• Subjects: Original; 산부인과학; Fallopian Tube Cancer; Epithelial Ovarian Cancer; Peritoneal Carcinomatosis; Asians; Incidence
• ISSN: 2005-0380; 2005-0399
• DOI: 10.3802/jgo.2020.31.e56

Primary peritoneal cancer (PPC), ovarian cancer (OC), and fallopian tube cancer (FTC) are considered as a single disease group. As knowledge of the pathogenesis and clinical presentation of peritoneal, ovarian, and fallopian tube (POFT) cancer grows, the tendencies in OC diagnosis are changing. We investigate the incidence and clinical characteristics of epithelial POFT based on cancer site and histologic type. Data from the Korea Central Cancer Registry for the period between 1999 and 2016 were analyzed. The incidence rates and annual percent changes (APCs) for each tumor site were reported. Among 27,768 women with cancer, 1,086 (3.91%) had PPC, 25,847 (93.08%) had OC, and 835 (3.01%) had FTC. Age-standardized rates increased from 0.05 to 0.24, 3.51 to 5.48, and 0.04 to 0.28 in PPC, OC, and FTC, respectively. The proportion of PPC and FTC among all the POFT cases increased consistently during the study period (from, respectively, 1.48 and 1.06 in 1999 to 4.52 and 4.76 in 2016). The APC of PPC, OC, and FTC during 1999-2016 was 9.3%, 2.7%, and 8.6%, respectively. The incidence of PPC, OC, and FTC was highest among patients in the 65-69, 50-54, and 55-59 years age group, respectively. The overall incidence of PPC, OC, and FTC cancer has steadily increased. The relative increase of PPC and FTC has been significant. In this study, OC incidence had a relatively young peak age, in contrast to FTC and PPC, which had an older peak age.