The study patients were those who underwent gastric biopsy after EGD and in whom GIN (Category 2 in the Vienna Classification
of GIN), was diagnosed.
The Ministry of Economy and Commerce (MEC), in collaboration with the World Intellectual Property Organisation (WIPO), kicked-off yesterday a workshop on the use of the Nice Classification and the Vienna Classification
All of the final histopathologic results were classified according to the Revised Vienna Classification
of Gastrointestinal Neoplasia .
Kato et al., "The vienna classification
of gastrointestinal epithelial neoplasia," Gut, vol.
The disease phenotype in CD was classified according to Vienna classification
into small bowel disease (L1), isolated colonic disease (L2), and ileocolonic disease (L3) .
As all children had upper and lower endoscopies performed at diagnosis together with radiological investigations, disease phenotype was defined according to the Vienna classification (current at the time the study was undertaken) [Gasche et al., 2000].
Disease Location OCD Present OCD Absent n (%) n (%) L1 Terminal Ileum 0 (0) 0 (0) L2 Colon 2 (28) 8 (44) L3 Ileocolon 1 (14) 3 (17.6) L4 Upper GI 4 (57) 5 (29.4) (excluding mouth) Disease Behaviour 1 Non-stricturing/non 5 (71.4) 14 (82) penetrating 2 Stricturing 1 (14) 2(11.7) 3 Penetrating 1 (14) 1 (5.8) Vienna classification at diagnosis in patients with (n = 7) and without (n = 16) oral Crohn's disease (OCD) at follow-up.
analyzed disease characteristics of 292 adult CD patients according to Vienna classification. The operation rate was higher in patients with ileocolonic localization (P < 0.05) and stricturing and penetrating disease behaviour (P < 0.001) , confirming that disease and epidemiological characteristics are associated with outcome in CD.
On the other hand, disease involvement was defined as ulceration or aphthous ulcers in Vienna Classification. However, in several pediatric reports, microscopic involvement has been applied as a diagnostic criterion.
The lesions were classified in accordance with the Revised Vienna Classification
The pathology diagnosis was based on Vienna classification
of gastrointestinal epithelial neoplasia .