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Gastric schwannoma: MRI findings

Department of Radiology, West Virginia University Hospitals, Morgantown, WV, USA

View larger version (136K): [in a new window]   Figure 1. 46-year-old man with gastric schwannoma. (a) Axial fat-suppressed T1 weighted fast spoiled gradient echo MR image (FLASH: TR/TE, 258/5.9 msec) at the level of the gall bladder shows a hypointense mass in the region of gastrocolic and gastrohepatic ligaments squeezing the gastric antrum (arrows). (b) Coronal T2 weighted fast steady state MR image (True FISP: TR/TE 4.6/2.3 msec) through the stomach shows a multilobulated mass centred in the gastrocolic ligament exhibiting areas of moderate to markedly elevated signal. Note the close relation of the mass to gastric antrum. (c) Axial fat-suppressed T1 weighted fast spoiled gradient echo MR image (FLASH: TR/TE, 168/5.9 msec) after iv administration of gadolinium demonstrates fairly uniform intense enhancement throughout the internal aspect of each of the lobules. The hypointense borders surrounding the lobules remain unenhanced. (d) Axial fat-suppressed T1 weighted volumetric three-dimensional gradient echo MR image (TR/TE, 3.7/1.7 msec) at the level of the gastric antrum after iv administration of gadolinium delineates the relationship between the mass and the stomach to a better degree.