Debulk

A surgical procedure to decrease mass effect by removing a portion of a tumor or dead tissue. See mass effect. Surgical removal of as much of a tumor as possible. Debulking may increase the chance that chemotherapy or radiation therapy will kill all the tumor cells....

Decompressive

Refers to a surgical procedure during which bone, tissue, or tumor is removed to lessen intracranial pressure. Decompressive craniectomy is an advanced treatment option for intracranial pressure (ICP) control in patients with traumatic brain injury.

Dedifferentiate

A mature cell returning to a less mature state. See differentiate, undifferentiated. In cancer, refers to how mature (developed) the cancer cells are in a tumor. Differentiated tumor cells resemble normal cells and tend to grow and spread at a slower rate than...

Density

The amount of darkness or light in an area of a scan reflects the compactness and density of tissue. The amount of darkness or light in an area of a scan reflects the compactness and density of tissue. Differences in tissue density are the basis for CT and MR...