Pituitary disease. A pituitary disease is a disorder primarily affecting the pituitary gland. The main disorders involving the pituitary gland are: Overproduction or underproduction of a pituitary hormone will affect the respective end-organ.
Spinal Infusion Pump. Applies to: Neck, Shoulder, Elbow/Hand/Wrist, Back, Hip, Knee. A spinal infusion pump is a device that delivers concentrated amounts of medication into the spinal fluid space through the use of a small catheter.
Spinal tap can be used to sample the cerebrospinal fluid (for pathogenic infiltration perhaps). It can also be used as a method to reduce mild intracranial pressure caused by excess CSF (in the case of intracranial hypertension, for example). It is considered painful, the extent to which would be determined by individual pain threshold/tolerance.