Fig. 3From: Surgical intervention for the correction of fecal impaction in an obstipated cat with an old compression injury in the lumbosacral region of the spineAbdominal palpation and ultrasonography of the cat. A Detection of a firm, tubular structure by fingers over the skin. B Ultrasonography reveals highly echogenic surfaces (yellow arrows) of the structure, hyperechoic flakes due to gases (red arrowheads), hypoechoic areas (yellow circles) indicating bowel contents (semisolid/fluid), acoustic shadows (black stars), and anechoic zone (white star). Linear probe; orientation: longitudinal, frequency: 7.5 MHz, depth: 4 cmBack to article page