 Marsh stage 0: normal mucosa Marsh stage 1: increased number of intra-epithelial lymphocytes (IELs), usually exceeding 20 per 100 enterocytes Marsh stage 2:  proliferation of the crypts of Lieberkühn Marsh stage 3: partial or complete villous atrophy and crypt hypertrophy Marsh stage 4: hypoplasia of the small intestine architecture The changes classically improve or reverse after gluten is removed from the diet.
<fluency>  Marsh stage 0: normal mucosa Marsh stage 1: increased number of intra-epithelial lymphocytes (IELs), usually exceeding 20 per 100 enterocytes Marsh stage 2:  proliferation of the crypts of Lieberkühn Marsh stage 3: partial or complete villous atrophy and crypt hypertrophy Marsh stage 4: hypoplasia of the small intestine architecture The changes classically improve or reverse after gluten is removed from the diet.
 Marsh stage 0: normal mucosa Marsh stage 1: increased number of intra-epithelial lymphocytes (IELs), usually exceeding 20 per 100 enterocytes Marsh stage 2: a proliferation of the crypts of Lieberkühn Marsh stage 3: partial or complete villous atrophy and crypt hypertrophy Marsh stage 4: hypoplasia of the small intestine architecture The changes classically improve or reverse after gluten is removed from the diet.