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A Meckel's diverticulum, a true congenital diverticulum, is a slight bulge in the small intestine present at birth and a vestigial remnant of the vitelline duct.It is the most common malformation of the gastrointestinal tract and is present in approximately 2% of the population, [1] with males more frequently experiencing symptoms.
On this site of attachment, sometimes a pathological Meckel's diverticulum may be present. A mnemonic used to recall details of a Meckel's diverticulum is as follows: "2 inches long, within 2 feet of ileocecal valve, 2 times as common in males than females, 2% of population, 2% symptomatic, 2 types of ectopic tissue
A Littre hernia is a very rare type of hernia which occurs when a Meckel's diverticulum protrudes through a defect in the abdominal wall. [1] It is named after French physician Alexis de Littre. [2] This hernia may occur in a number of anatomical locations, typically in the inguinal region (50%), umbilicus (20%) or femoral canal (20%).
Causes of intussusception are not clearly established or understood. About 90% of cases of intussusception in children arise from an unknown cause. [1] They can include infections, anatomical factors, and altered motility. [citation needed] Meckel's diverticulum; Polyp; Duplication; Appendix; Hyperplasia of Peyer's patches; Idiopathic
A jejunal diverticulum is a congenital lesion and may be a source of bacterial overgrowth. It may also perforate or result in abscesses. A Killian-Jamieson diverticulum is very similar to a pharyngeal esophageal diverticulum, differing in the fact that the pouching is between the oblique and transverse fibers of the cricopharyngeus muscle. [7]
Intestinal malrotation is a congenital anomaly of rotation of the midgut.It occurs during the first trimester as the fetal gut undergoes a complex series of growth and development.
Littre's hernia: a hernia involving a Meckel's diverticulum. It is named after the French anatomist Alexis Littré (1658–1726). Lumbar hernia: a hernia in the lumbar region (not to be confused with a lumbar disc hernia), contains the following entities: Petit's hernia: a hernia through Petit's triangle (inferior lumbar triangle).
Meckel's diverticulum – an out-pouching of the ileum, part of the small intestine, and found in approximately 2% of the population. Meckel's cartilage – A cartilaginous bar from which the mandible is formed. Described in 1820. A syndrome – Meckel syndrome – is also named after him. This condition was described in 1822.