Radiological features of mucocele of the appendix.

The clinical features of mucocele of the appendix are nonspecific, and a correct preoperative diagnosis based on abdominal pain, a palpable mass in the right lower quadrant, and conventional radiography is rare. The diagnosis of appendiceal mucocele has become easier with the utilisation of the recent imaging techniques ultrasonography and computed tomography. Six patients with mucocele of the appendix are presented, and the characteristic radiological features and differential diagnosis are discussed.