Figure 1From: Perforated duodenal ulcer presenting with a subphrenic abscess revealed by plain abdominal X-ray films and confirmed by multi-detector computed tomography: a case report Abdominal plain X-ray films obtained in the upright (A) and supine position (B). In (A) a huge air-fluid level can be seen in the right subphrenic space. In (B) the extraluminal air appears to extend from the perihepatic (asterisk) to the subhepatic space (arrow-heads). Extraluminal air can also be appreciated in the hepatoduodenal fossa (arrow) pinpointing the perforated duodenal ulcer.Back to article page