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A follow up model for patients with atrophic chronic gastritis and intestinal metaplasia
  1. M Dinis-Ribeiro1,2,
  2. C Lopes3,
  3. A da Costa-Pereira2,
  4. M Guilherme3,
  5. J Barbosa3,
  6. H Lomba-Viana1,
  7. R Silva1,
  8. L Moreira-Dias1
  1. 1Department of Gastroenterology, Oncology Portuguese Institute Porto, 4200-072 Porto, Portugal
  2. 2Department of Biostatistics and Medical Informatic, Porto Faculty of Medicine, 4200-072 Porto, Portugal
  3. 3Department of Pathology, Oncology Portuguese Institute Porto and Porto Faculty of Medicine, 4200-072 Porto, Portugal
  1. Correspondence to:
 Dr M Dinis-Ribeiro
 Instituto Português de Oncologia ‘Francisco Gentil’, Serviço de Gastrenterologia, Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal;


Aim: To devise a follow up model for patients with gastric cancer associated lesions, such as atrophic chronic gastritis (ACG) and intestinal metaplasia (IM).

Methods: Cohort study of 144 patients, followed for a minimum of one year, in whom at least two upper gastrointestinal endoscopic biopsies in flat gastric mucosa provided a diagnosis of ACG, IM, or low grade dysplasia (LGD).

Results: Of those diagnosed with ACG at first endoscopic biopsy (entry biopsy), 12% progressed to LGD in outcome biopsy, as did 8% of those with type I IM, 38% with type II or III IM, and 32% with LGD. Type of IM at entry independently predicted progression to LGD and cancer. Type II and III IM had a higher rate of progression to LGD than type I IM, which showed an indolent behaviour similar to ACG. Patients with type II or III IM were at higher risk for development of dysplasia, and 7% of patients with type III IM at first biopsy progressed to high grade dysplasia (HGD), whereas no cases of ACG or type I/II IM progressed to HGD during the first three years.

Conclusion: Patients with ACG or IM could possibly be allocated to different management schedules, based on differences in rate and proportion of progression to LGD or HGD. Less intensive follow up (two/three yearly with “serological evaluation” (pepsinogen)) may suit those with ACG or type I IM. Patients with type III IM may benefit from six to 12 monthly improved endoscopic examination (magnification chromoendoscopy).

  • gastric cancer
  • dysplasia
  • diagnosis
  • prognosis
  • follow up
  • ACG, atrophic chronic gastritis
  • HGD, high grade dysplasia
  • IM, intestinal metaplasia
  • LGD, low grade dysplasia

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  • Part of these results were presented as an oral communication at EUGW, Amsterdam, 2001, and published in an abstract in Gut (Gut2001;(suppl III):).