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Journal of Diagnostic Medical Sonography
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Intussusception:

A Sonographer's Perspective

Lee Ann Pendergast, RDMS

Kaiser Vallejo Medical Center, Vallejo, California.

Michelle Wilson, BS, APS, RDMS, RDCS

Kaiser Vallejo Medical Center, Vallejo, California.

Intussusception, the invagination of one portion of the intestine into another, is considered a true emergency, which most commonly affects pediatric patients. It occurs when bowel (small or large) telescopes within itself, creating an obstructive mass. Peristalsis exacerbates the more proximal bowel into the lesion, causing the intussusception to have a "sleeve"-like shape. The lesion propagates distally, with obstructive ischemia and possible necrosis occurring over time. With the improvement of technology in diagnostic imaging, sonography has become the initial imaging modality of choice. The authors present a case study and current review of the literature regarding intussusception from a sonographer's viewpoint.

Key Words: intussusception • intussusceptum • intussuscipiens • ultrasound • pediatric emergency

Journal of Diagnostic Medical Sonography, Vol. 19, No. 4, 231-238 (2003)
DOI: 10.1177/8756479303251144
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