Peri-appendicular abscess is usually due to primary
appendicitis or it may be caused by various pathological
conditions: inflammatory, infective, neoplastic, immunological,
ischemic, occlusive (table 1).
We present a case of right iliac fossa abscess, initially diagnosed
as a complication of acute appendicitis that, at surgical
exploration, was proven to be produced by a cecal
tumour causing appendicitis for an obstructive mechanism