Clinical Study

Long-Term Followup of Patients with Active J-Reservoirs after Restorative Proctocolectomy for Ulcerative Colitis with regard to Reservoir Function, Mucosal Changes, and Quality of Life

Table 7

Villous atrophy in biopsies from the J-reservoir at 5 cm and 10 cm from the rectal anastomoses.

Biopsies from the J-pouch
5 cm10 cm
( 𝑛 = 5 4 )( 𝑛 = 5 6 )
𝑛 (%) 𝑛 (%)

No villous atrophy18 (33.3%)21 (37.5%)
Mild villous atrophy27 (50.0%)24 (42.9%)
Moderate villous atrophy4 (7.4%)6 (10.7%)
Colonisation of the pouch mucosa5 (9.3%)5 (8.9%)