title: [Clinicopathologic characteristics of superficial gastric cancer diagnosed at primary health care institutions in 2011].
abstract: OBJECTIVE
  Stomach cancer is prevalent in Korea. The purpose of this study was to evaluate the characteristics of superficial gastric cancers detected at SOK Sokpeynhan Internal Medical Network, the nationwide primary health care institutions.
  
  
  METHODS
  We prospectively analysed the clinicopathologic and endoscopic characteristics of 218 superficial gastric cancer patients diagnosed using gastric endoscopy at SOK network from January 2011 through December 2011.
  
  
  RESULTS
  The mean age was 58.5 years old and male to female ratio was 1.7 : 1. Asymptomatic patients were most common (45.0%). The macroscopic classification revealed that simple types (63.8%) were more common than complex types (36.2%). The most common type was IIc (28.4%) and other types were as follows; IIb (16.1%), IIb+IIc (13.3%), IIa (10.6%), III (9.2%), IIa+IIc (7.3%), IIc+IIa (6.0%), IIc+IIb (5.0%). The most commonly involved sites were the body (53.1%) and greater curvature (32.6%) of the stomach. The size of lesion was less than 1 cm (69.3%) and less than 5 mm (33.5%) in diameter. The most common pathologic type was tubular adenocarcinoma (75.7%). Helicobacter pylori infection rate was 50.2%. Fifty five percent of the cases were diagnosed via endoscopy of National Health Insurance Corporation screenings.
  
  
  CONCLUSIONS
  Superficial gastric cancers in 2011 at primary health care SOK network were different from those of previous reports. Type IIc was most common but type IIb was more prevalent and the body and greater curvature of the stomach were the most commonly involved sites. Therefore, careful observation of the proximal gastric mucosa and mucosal color change is needed.
authors.affiliation: SOK Sokpeynhan Internal Medical Network, Seoul 130-817, Korea. saintdamiano@hotmail.com
authors.forename: Sang Hyun
authors.initials: SH
authors.lastname: Park
authors.forename: Chi Wook
authors.initials: CW
authors.lastname: Song
authors.forename: Yun Bae
authors.initials: YB
authors.lastname: Kim
authors.forename: Young Sun
authors.initials: YS
authors.lastname: Kim
authors.forename: Hwang Rae
authors.initials: HR
authors.lastname: Chun
authors.forename: Jung Hyun
authors.initials: JH
authors.lastname: Lee
authors.forename: Won Jong
authors.initials: WJ
authors.lastname: Seol
authors.forename: Hyung Sun
authors.initials: HS
authors.lastname: Yoon
authors.forename: Myung Kwon
authors.initials: MK
authors.lastname: Lee
authors.forename: Jong Hyup
authors.initials: JH
authors.lastname: Lee
authors.forename: Choon Sang
authors.initials: CS
authors.lastname: Bhang
authors.forename: Jae Hyung
authors.initials: JH
authors.lastname: Park
authors.forename: Young Hwan
authors.initials: YH
authors.lastname: Park
authors.forename: Byung Hun
authors.initials: BH
authors.lastname: Do
authors.forename: Young Dae
authors.initials: YD
authors.lastname: Park
authors.forename: Sang Jeong
authors.initials: SJ
authors.lastname: Yoon
authors.forename: Chan Wook
authors.initials: CW
authors.lastname: Park
authors.forename: Jong Pyo
authors.initials: JP
authors.lastname: Kim
authors.forename: Jong Hwan
authors.initials: JH
authors.lastname: Choi
authors.forename: Ki Chul
authors.initials: KC
authors.lastname: Shin
authors.forename: Soon Min
authors.initials: SM
authors.lastname: Park
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005773:Gastroscopy; D016481:Helicobacter Infections / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009313:National Health Programs; D011320:Primary Health Care; D011446:Prospective Studies; D013274:Stomach Neoplasms / Q000473:pathology*