Objective The aim of this study was to assess the management and outcomes of healthy pediatric patients diagnosed radiologically with transient and benign small bowel–small bowel intussusception (SB-SBI). Methods Retrospective cohort study of healthy patients 0 to 18 years of age who presented to a children's hospital emergency department from January 1, 2005, to June 30, 2015, and had transient and benign SB-SBI characterized by spontaneous resolution (ie, transient), diameter of less than 2.5 cm, no lead point, normal bowel wall thickness, nondilated proximal small bowel, and no colonic involvement (ie, benign radiographic features). Charts were reviewed for demographics, clinical presentation, radiologic studies obtained, outcomes, and further management. Medical and radiologic records were also reviewed for 1 year after presentation for any subsequent pathologic diagnoses. Results Sixty-eight patients were included in our study, with a total of 87 episodes of transient and benign SB-SBI on initial or follow-up examination. Overall, 39 patients (57%) were admitted to the hospital, and 38 patients (56%) had a surgical consultation. Twenty-four patients (35%) had further radiologic studies obtained, including computed tomography scans, esophagogastroduodenoscopy, Meckel’s scan, barium swallow studies, and magnetic resonance imaging. All studies were negative for concerning pathology including apparent lead points. None of the patients required surgical intervention or had any complications. Conclusions Transient and benign SB-SBIs with reassuring radiologic and clinical features diagnosed in healthy pediatric patients are likely incidentally found and are unlikely to be associated with a pathologic lead point.

PurposeWe attempted to determine the frequency of acute longus colli tendinitis on diagnostic CT imaging performed at a large multicenter health care system. By correlating with the pre-imaging clinical information, we investigated which patient presentations should lead the radiologist to increased suspicion for this condition.MethodsImages from a total of 8101 adult CT examinations of the neck and cervical spine performed over a 3-month period were evaluated by researchers independent of the original clinical report. Clinical information available at the time of imaging was reviewed and assigned to one of five categories. Frequency of the condition was calculated by sex and clinical presentation. This retrospective study with waiver of consent and waiver of HIPPA was approved by our IRB.ResultsNine positive scans were found for an overall frequency of 1.1 per 1000 examinations. The frequency was significantly higher (11.4 per thousand) on scans performed of patients presenting without history of recent trauma, concern for tumor, suspected postoperative complication, or clinical signs of infection localized to the neck. Although frequency in males was higher than in females, this did not reach statistical significance. In no positive or negative case was longus colli tendinitis considered in the pre-imaging documentation.ConclusionsFindings of acute longus colli tendinitis on CT examination generally occur in the absence of prior mention of this condition in the medical record. The radiologist should be particularly alert for this diagnosis when a patient presents with rapid-onset neck pain without a clear history of recent trauma or other etiologies.

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