Etiology
Interruption of the portal system may be caused by tumors compressing the infundibulum. Other causes for Pickardt's syndrome are inflammatory disorders and traumatic brain injury. An inborn variant of Pickardt's syndrome that is associated with certain mutations (HESX1 or LHX4) is referred to as pituitary stalk interruption syndrome (PSIS).
Read more about this topic: Pickardt Syndrome