appendiceal orifice

appendiceal orifice

The orifice of the appendix which opens into the caecum. Obstruction of the orifice leads to mucoceole formation.
References in periodicals archive ?
The CT scan revealed an apparent mass causing a filling defect of the cecum near the appendiceal orifice.
The cecal wall thickening causes funneling of oral or rectal contrast material within the upper cecum, which points to the obstructed appendiceal orifice.
However, colonoscopy revealed an ulcer with submucosal thickening of the cecum near the appendiceal orifice.
Cecal intubation is defined as passage of the colonoscope tip to a point proximal to the ileocecal valve so that the entire cecal caput, including the medial wall of the cecum between the ileocecal valve and appendiceal orifice, is visible.
The suggested pathogenesis is excess pressure from the endoscope at the appendiceal orifice supplemented with barotrauma secondary to excess inflation resulting in inflammation and occlusion of the appendiceal lumen which could be in the background of subclinical disease (1).