Saddle vacuole

Under normal circumstances, the saddle and the pituitary gland are closely attached, and there is almost no gap. When various pathological factors cause the saddle to deform (saddle septal defect), enlarge or shrink the pituitary gland, the central depression of the saddle and pituitary The gap between them is enlarged, forming a "vacuum" -like change. On skull X-rays, ventriculography, CT or brain magnetic resonance examination, you can find a significant decrease in density. An image shaped like a "vacuum" is called a "saddle." Vacuoles ".

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