普通胃钡餐检查只能显示胃粘膜相,而应用低张气钡双重造影则能显示胃小区相,亦称小粘膜相。所谓胃小区相是指胃粘膜表面有许多互相连接、交织成网状的胃小沟,将胃粘膜表面分隔成1～3毫米大小的多角形、圆形,或圆锥形小丘,称胃小区。当胃小沟被薄层钡剂所充填时,就勾画出胃小区的轮廓,此细小的网眼状影像,即胃小区相。它的显示,意味着胃部疾患的诊断向 Common gastric barium meal examination can only show the gastric mucosa, and double low contrast barium gasography can show gastric cell phase, also known as small mucosal phase. The so-called gastric cell phase refers to the surface of the gastric mucosa has many interconnected, interwoven into a network of small gastric groove, the gastric mucosal surface is divided into 1 to 3 mm in size polygons, round, or conical hill, called the stomach area . When the gastric gutter is filled with a thin layer of barium, the outline of the gash area is outlined. This small, mesh-like image, the gastric cell phase. Its display means the diagnosis of gastric disorders