Pediatric intussusception clinical manifestations

Written by Quan Xiang Mei
Pediatrics
Updated on June 13, 2025
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Intussusception often occurs in infants and young children. The symptoms of intussusception in infants and young children primarily include abdominal pain, crying, and vomiting as the main clinical manifestations. Frequent vomiting, abdominal distension, and abdominal pain are symptoms, with children exhibiting sudden abdominal distension, sudden abdominal pain, and sudden sharp screams. The most typical symptom of intussusception is the excretion of jelly-like stool, which resembles tomato sauce or jelly. These are common clinical presentations of intussusception in children. Some children who are less neurologically sensitive may only show symptoms of lethargy, mild vomiting, diarrhea, and the passing of jelly-like stool.

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Written by He Zong Quan
General Surgery
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Can intestinal intussusception have bowel movements?

After the occurrence of intussusception, the patient's symptoms often manifest as those of intestinal obstruction, causing significant abdominal pain, cessation of gas and stool passage through the anus, and a palpable abdominal mass can be felt. Imaging studies can clearly indicate signs of intussusception. Once intussusception occurs, the patient stops passing stool, and symptoms such as vomiting and nausea also occur. Once diagnosed, it is crucial to treat promptly, including air enema reduction or surgical treatment, to promptly address the symptoms of intussusception, prevent the worsening of intestinal obstruction symptoms, and avoid severe complications such as intestinal necrosis, which can endanger the patient's life.

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Written by Hu Qi Feng
Pediatrics
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Does infant intussusception require surgery?

Intussusception lasting between forty-eight and seventy-two hours, or if the duration is shorter but the condition is severe, including cases with intestinal necrosis or perforation, as well as those involving small intestine type intussusception, all require surgical treatment. Depending on the overall condition of the child and the pathological changes in the intussuscepted bowel, options include reduction of intussusception, intestinal resection and anastomosis, or enterostomy, etc.

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Written by Quan Xiang Mei
Pediatrics
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How to treat intussusception in children?

Intussusception in children is a common surgical condition. The treatment approach depends on the severity of the child's clinical symptoms. If the intestines have not been telescoped for long, and the intestinal mucosa has not suffered ischemic necrosis, and if the clinical symptoms are mild, air enema can be used to relieve the intussusception without the need for surgery. However, if the clinical symptoms are severe and necrosis has been prolonged, meaning the intestinal mucosa has reached a state of ischemia and necrosis that is irreparable, surgical treatment in a surgical setting is definitely required. Whether surgery or air enema is needed should be decided based on the actual color ultrasound results and a comprehensive diagnosis by the clinician.

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Written by Hu Qi Feng
Pediatrics
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Causes of intussusception in children

The etiology of intussusception is divided into primary and secondary types, with 95% being primary, which is common in infants and young children. In infants, the mesentery of the ileocecal region is not yet fully fixed and has a larger degree of mobility, which is a structural factor conducive to the occurrence of intussusception. Secondary cases account for about 5%, often secondary to Meckel's diverticulum, intestinal polyps, intestinal tumors, intestinal duplications, and abdominal purpura causing swelling and thickening of the intestinal wall, which can lead to intussusception. Certain factors may cause a change in the rhythmic movement of the intestines leading to disorder, thereby inducing intussusception, such as changes in diet, viral infections, and diarrhea.

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Written by Hu Qi Feng
Pediatrics
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Can intussusception resolve itself automatically?

Some children with intussusception may resolve spontaneously, but it is important to closely monitor their condition with ultrasound to understand the status of the intussusception. If it does not resolve on its own in a short period, immediate surgical treatment is necessary. If the ultrasound shows successful resolution, or if the child's clinical symptoms such as vomiting and abdominal pain improve and the ultrasound does not reveal any obvious abnormalities, it is considered an automatic recovery.