Gastrointestinal Bleeding

	Meckel's diverticulitis
	Narrow base Meckel's diverticulum, prone to obstruction at its base leading to diverticulitis
	Invaginated Meckel's diverticulum, one of the leading point in intussusception, pancreatic tissue is also noted at its top (arrow)
	Cut surface of the gross specimen of Meckel's diverticulum showed indurated thick wall that is composed of ectopic pancreatic tissue and gastic mucosal lining. An ulcer is also noted at adjacent ileum
	Radionuclide (99mTc) scan for Meckel's diverticulum. Abnormal collection of radionuclide at right lower quadrant suggested abnormal tissue in Meckel's diverticulum
	Positive Meckel's scan
	Positive Meckel's scan
	Rectal prolapse
	Rectal prolapse
	Massive GI bleeding caused by hookworm