Abstract
Objective To investigate CT and MRI features of hepatic sclerosed hemangioma (HSH). Methods CT and MRI findings were retrospectively reviewed in 20 cases of HSH, all of which were confirmed pathologically after hepatic surgery. Twenty patients underwent CT scan,4 patients underwent MRI. Meanwhile, the enhancement pattern and signal intensity were analyzed either. Results Twenty patients showed main part of tumor was hypo-attenuating on CT plain scanning, and 16 patients showed the central area of tumor was markedly more hypo-attenuating on CT plain scanning. After administration of intravenous contrast media, multifocal linear or small nodular enhancement in the peripheral area was seen during the arterial phase on 16 patients of HSH. Venous phases showed centripetal enhancement or spread around the nodules enhancement which continued to delayed phases with low density of no enhancement in the lesion area. Four patients showed no obvious enhancement on arterial phases and slight separation sample enhancement at the edge or inside of the lesions with a wide range of non enhancement areas on venous phase and delayed phase. Four patients were performed MRI examination, the lesions demonstrated hypointensity with a lower signal area on T1WI, hyperintensity with a higher signal intensity area on T2WI. The DWI sequence of b value were 0, 150, 800 s/mm2, all of which were obviously hypointensity. The edge of lesions showed small nodular enhancement on arterial phase, irregular concentric enhancement on venous phase and delayed phase, and there was no enhancement area with lower signal in the center of the lesion. Conclusions The enhancement pattern of HSH different from cavernous hemangioma, with a larger non enhancement area in the center of the lesions and similar to other hepatic masses with central scar, differential diagnosis dependence on CT and MRI dynamic enhanced scan. Key words: Liver neoplasms; Tomography,X-ray computed; Magnetic resonance imaging
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