Into a muscle.

Within the sella turcica.

Into a tumor (usually performed during surgery).

Within the uterus.

Into a vein.

Radiography of kidneys, ureters, and bladder following injection of contrast medium into a peripheral vein.

Into a ventricle.

Refers to a tumor that invades healthy tissues. The opposite of encapsulated. Also called diffuse or infiltrating.

Immunoradiometric assay.

Treatment by ionizing radiation, such as x-rays, or radioactive sources such as radioactive iodine seeds.

Characterized by abdominal pain and altered bowel function – alternating bouts of constipation and diarrhea.