PMC8319506_01
Histopathological HES-stained section. A) Cross-sectional view of the appendix containing several pinworms (red arrows) in x100 magnification, B) Longitudinal-section view demonstrating the presence of a gravid female with uterine tubes filled out by developping eggs (red arrow) in x400 magnification.
gr1.jpg
PMC8319506_01_gr1.jpg
fig0005
Surgical intervention and histopathological examination revealed a mucous membrane remodeled by follicular lymphoid hyperplasia and the presence of four worms in appendix lumen (Fig. 1).