Clinical significance of mucosal suppressors of cytokine signaling 3 expression in ulcerative colitis

Table 1 Description of the criteria of Matts for endoscopic and histologic findings

Endoscopic Matts’ grades

Grade 1---normal

Grade 2---mild granularity of the mucosa, with mild contact bleeding

Grade 3---marked granularity and edema of the mucosa, contact bleeding, and spontaneous bleeding

Grade 4---severe ulceration of mucosa with hemorrhage

Histologic Matts’ grades

Grade 1---normal appearance

Grade 2---some infiltration of the mucosa or lamina propria with either round cells or polymorphs

Grade 3---much cellular infiltration of the mucosa, lamina propria, and submucosa

Grade 4---presence of crypt abscesses, with much infiltration of all layers of the mucosa

Grade 5---ulceration, erosion, or necrosis of the mucosa, with cellular infiltration of some or all of its layers