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. 2015 Jul 24;35(5):1439–1460. doi: 10.1148/rg.2015140289

Figure 13b.

Figure 13b

Motion artifact related to ascites in a 65-year-old man who was undergoing routine surveillance for hepatocellular carcinoma. Coronal (a) and axial (b) T2-weighted MR images show flow-related signal loss caused by motion within the ascites. Flow-related artifact within ascites can be confused with particulate material and peritonitis. The axial image also shows motion artifacts related to respiration, which manifest as periodic ghosts that are oriented parallel to the anterior abdominal wall.