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  • Title: Normal and abnormal ultrasonographic findings that mimic small intestinal intussusception in the dog.
    Author: Patsikas MN, Papazoglou LG, Papaioannou NG, Dessiris AK.
    Journal: J Am Anim Hosp Assoc; 2004; 40(2):147-51. PubMed ID: 15007051.
    Abstract:
    On ultrasonographic examination of the abdomen, the appearance of healthy intestine, enteritis secondary to an intestinal foreign body, and postpartum involution of the uterus may be visualized in some imaging planes as a target-like structure that is subsequently misinterpreted as intestinal intussusception. To avoid misdiagnosis, the ultrasonographer should ensure multi-plane scanning of the lesion, paying particular attention to the completeness of the lesion's peripheral ring structure and the overall width of the concentric rings of the target-like lesion. The presence of a semilunar or G-shaped hyperechoic center and the visualization of the inner intussusceptum (extending into the intussusception lumen) can be useful ultrasonographic findings that distinguish an intussusception from other lesions or from healthy tissues. These principles are illustrated through the following case presentations.
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