PMC9891835_01
(a) and (b) Duodenal biopsy shows the presence of focal crowding resembling tufts; it contains closely packed enterocytes with clusters of round, teardrop-shaped projections in the apical cytoplasm (H&E stain x400).
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fig1
Histological microscopic examination of the duodenum showed variable villous shortening and atrophy with focal areas showing disorganized crowded surface epithelium with extrusion of apical tufting consistent with tufting enteropathy (Figures 1(a) and 1(b)).