What clinical sign would suggest Meckel's diverticulum in a child?

In the context of Meckel's diverticulum, bright red blood per rectum is a significant clinical sign that can suggest the presence of this condition in a child. Meckel's diverticulum is a congenital anomaly resulting from the incomplete obliteration of the omphalomesenteric duct, and it can contain ectopic tissue, most commonly gastric mucosa. This ectopic tissue can lead to ulceration and subsequent bleeding. When bleeding occurs, it often presents as bright red blood in the stool, indicating that the blood is fresh and comes from a source lower in the gastrointestinal tract.

The presence of bright red blood per rectum in a pediatric patient necessitates consideration of various gastrointestinal conditions, including Meckel's diverticulum, especially if accompanied by other symptoms like abdominal pain or tenderness. In cases of Meckel's diverticulum, the bleeding can be episodic, and it is important to recognize it as a potential symptom for timely diagnosis and treatment.

Other options such as abdominal mass, curling of the fingers, and painless hematuria do not have a typical association with Meckel's diverticulum. An abdominal mass might suggest different issues or conditions, while curling of the fingers is more related to specific syndromes or conditions like