Presumptive case of sparganosis manifesting as a hepatic mass: A case report and literature review

Figure 1 Liver computed tomography imaging. A: Axial noncontrast computed tomography (CT) image showing an ovoid low attenuation lesion (arrow) in the right hepatic dome. This mass has internal linear or curvilinear cord-like lesions that are most likely calcified. This mass (arrow) measured 6.3 cm × 3.5 cm. B: Axial contrast-enhanced CT image clearly showing that this ovoid lesion (arrow) does not have any enhanced portions, which suggests a totally necrotic lesion or a cystic mass. The internal cord-like structures are bizarrely arranged; C: Coronal contrast-enhanced CT image showing that the internal structures within the mass (arrow) are arranged in a whirling manner; D: Low attenuation (-22 Hounsfield units) region (arrow) in the center of the mass on a contrast-enhanced CT image, suggesting the presence of a small amount of fat.

Figure 2 Liver magnetic resonance imaging. A: Axial nonenhanced T1-weighted image showing that this hepatic mass (arrow) exhibits homogeneously low signal intensity; B: Fat-saturated axial T2-weighted image showing that the mass (arrow) exhibits very high signal intensity and internal serpiginous tubular structures; C and D: Axial diffusion-weighted image (C) and apparent diffusion coefficient map (D) showing that the diffusion in the mass is not restricted.

Figure 3 Liver ultrasonography showing a well-defined mixed echoic mass (arrow) in the dome of the liver. Multiple cord-like structures can be seen within the mass.