Meckel's diverticulum, although it is a common anomaly, at times may exhibit some unusual features, as it did in the case we are about to report.
REPORT OF A CASE
A girl aged 5 years was admitted to the Mayo Clinic on Nov. 17, 1936, because of melena, which had been present for four and one-half years, and abdominal pain, which had been present for three years.She was an only child. The delivery had been normal and at term. The child had been breast fed for nine and one-half months, and her development had been normal. She had had whooping cough at the age of 10 months but had not had any other illness. She had not been immunized against smallpox, diphtheria or any other disease.When she was 6 months of age the patient had expelled a considerable amount of bright red blood from the rectum. For several