'Camera Pill' is a snap

Last fall, all it took was a pill to identify Randolph Taylor's intestinal problem. His doctor sent him to Anne Arundel Gastroenterology for treatment with capsule endoscopy, which is a pill equipped with a tiny camera that scanned his small intestine for about eight hours. Doctors reviewed the images taken by the pill and located a polyp, which was the source of his problems.

"(The pill) didn't bother me at all," said Mr. Taylor of Pasadena. "It was pretty simple. I really didn't notice."

The pill is a growing resource for physicians, who previously had to rely on X-rays and other surgical procedures to detect medical...