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Factors predicting malignancy in adult intussusception: An experience in university-affiliated hospitals
Jong Wan Kim1, Bong Hwa Lee1, Sung Gil Park1
1Department of Surgery, College of Medicine, Hallym University, Chuncheon, Republic of Korea.
Background:
Intussusception is one of the common causes of intestinal obstruction in children but is uncommon in adults. Unlike pediatric intussusception, most adult cases have a demonstrable etiology. The purpose of this study was to review our experience of adult intussusception and to identify the predictive factors for malignancy in this disease.
Methods:
We retrospectively reviewed the medical records of patients who were diagnosed with intussusception and admitted to the six Hallym University-affiliated hospitals between January 2005 and July 2016.
Results:
The 77 patients had a mean age of 50.5 years (range, 18-91 years). Enteric intussusception is the most common type of adult intussusception (33.7%), and 11 patients (14.2%) had no definite lesion at operation. The most common symptom was abdominal pain (90.9%), and 18 (23.3%) presented with chronic symptoms. Computed tomography was the most common diagnostic modality used, with a diagnostic accuracy of 96.9%. The leading point was identified in 62 (80.5%) patients. Malignancy was more frequently present in the colonic type than in the other two types (61.5% vs. 10%, 37.9%). In a multivariate analysis, chronic symptom >14 days (p = 0.031) and colonic intussusception (p = 0.026) were independent predictors for malignancy.
Conclusions:
Enteric intussusception is the most common type of adult intussusception, and the most common test is computed tomography. Because chronic symptoms and colonic-type intussusception were predictive factors for malignancy, en bloc resection should be considered in patients with chronic or colonic intussusception.
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