Deformation of the saddle

Empty saddle refers to the hernia in the subarachnoid space from the junction of the saddle septum and the pituitary stalk, which is filled with cerebrospinal fluid, which expands and deforms the saddle, and the pituitary is compressed and flattened. Empty sella syndrome (ESS) refers to the symptom that appears when the saddle is enlarged and the pituitary tissue in the saddle is squeezed, including headaches, visual impairment, cerebrospinal fluid nasal leakage, endocrine disorders, hypertension, obesity, etc.