Delayed Awareness of the History of Barium Examination: Perforated Barium Appendicitis

Figure 2

Resected specimen shows that the appendix contained a white, fragile fecalith. There was inflammation at the tip of the appendix (a). Crystal structure of barium sulfate on the mucosa (b) and in the infected fluid (c, d). Original magnification 200x (c), 400x (b, d).