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'''Intussusception''' is the invagination of one portion of the gastrointestinal tract into the lumen of the adjacent portion. The '''intussusceptum''' is the invaginated segment and the '''intussuscipien''' is the enveloping segment. A normograde intussusception is most common, but retrograde intussusception has also been reported.
'''Intussusception''' is the invagination of one portion of the gastrointestinal tract into the lumen of the adjacent portion. The '''intussusceptum''' is the invaginated segment and the '''intussuscipien''' is the enveloping segment. A normograde intussusception is most common, but retrograde intussusception has also been reported.
Intussusceptions can be classified according to their location in the gastrointestinal tract. They usually occur in regions where there is a significant change in lumen diameter, such as ileocolic and gastroesphageal junctions. Ileocolic intussusceptions are most common, they frequently protrude from the rectum and must be distinguished from a rectal prolapse. In the case of an intussusception, it is possible to pass a probe next to the anus, but not in a [[Rectal Prolapse|rectal prolapse]].
Intussusceptions can be classified according to their location in the gastrointestinal tract. They usually occur in regions where there is a significant change in lumen diameter, such as ileocolic and gastroesphageal junctions. Ileocolic intussusceptions are most common, they frequently protrude from the rectum and must be distinguished from a rectal prolapse. In the case of an intussusception, it is possible to pass a probe next to the anus, but not in a [[Rectal Prolapse - Cat and Dog|rectal prolapse]].
Depending on the site and severity, an intussusception results in a partial or complete obstruction to the gastrointestinal tract causing hypovolaemia, dehydration and shock. The condition is potentially serious and should be treated as an emergency.
Depending on the site and severity, an intussusception results in a partial or complete obstruction to the gastrointestinal tract causing hypovolaemia, dehydration and shock. The condition is potentially serious and should be treated as an emergency.