An unusual case of appendicitis, which presented as an infected aortic aneurysm is described. Gas was noted in the wall of the aneurysm on abdominal radiographs and computed tomography, due to the formation of an appendico-aortic fistula. Computed tomography also demonstrated a contained rupture of the aneurysm.

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Tuberculous mastoiditis is a well-documented entity with decreasing incidence in recent years. Tuberculous osteitis of the skull is even rarer. The case of a 58-year-old male with tuberculous mastoiditis complicated by extensive tuberculous osteitis of the skull is presented. This case serves to demonstrate both the difficulty in establishing the diagnosis of tuberculosis and the potentially disastrous consequences of the disease.