A Rare and Often Unrecognized Cause of Hematochezia and Tenesmus in Childhood: Solitary Rectal Ulcer Syndrome

Deniz Ertem, Yesim Acar, Esin Kotiloglu Karaa, Ender Pehlivanoglu
Fig 2.

Fibrous enlargement of lamina propria by extension of muscle fibers (arrows) and muscle bundles intermingled around the crypts (hematoxylin-eosin stain, ×20).