Case Report

A Calcium Enterolith in a Patient with Crohn’s Disease and Its In Vitro Dissolubility in Citric Acid

Figure 5

Elemental mapping images. The enterolith piece immersed in water contained calcium (a), magnesium (b), and phosphate (c). A photograph merged with a scanning electron microscopy image (d) and mapping images of calcium and magnesium showed that the enterolith piece was composed of two kinds of layers (e).