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Cranial Cavity

The skull.

Craniectomy

Surgery performed on the skull where pieces of bone are removed to gain access to the brain, and the bone pieces are not replaced.

Craniopharyngioma

Craniopharyngiomas are intracranial tumors that are typically both cystic and solid in structure. They occur most commonly in childhood and adolescence and in later adult life after age 50 years. They account for 2-4% of primary brain tumors.

Craniotomy

Surgery performed on the skull where a portion of bone is removed to gain access to the brain, and the bone is put back in its place.

CRH

Corticotropin releasing hormone.

Crohn's Disease (Also Known As Regional Enteritis

A moderately severe chronic inflammation of the intestine, especially of the small intestine, of unknown cause, involving the obstruction of the lower part of the small bowel and less frequently other parts of the gastrointestinal tract. It is characterized by patchy deep ulcers that may cause abnormal passages within the bowel, and narrowing and thickening of the bowel. Symptoms include fever, diarrhea, cramping abdominal pain, and weight loss.

CSF

Cerebrospinal fluid.

CT or CAT Scan (Computerized Axial Tomography)

An x-ray device linked to a computer that produces an image of a predetermined cross-section of the brain. A special dye material may be injected into the patient's vein prior to the scan to help make any abnormal tissue more evident.

Cysts

Abnormal sacs containing gas, fluid, or a semisolid material, with a membranous lining.

Cytotoxic

Relating to or producing a toxic effect on cells. Capable of killing cells.

Debulk

A surgical procedure to decrease mass effect by removing a portion of a tumor or dead tissue. See mass effect.

Decadron

Dexamethasone. A glucocorticosteroid medication used to reduce brain tissue swelling.

Decompressive

Refers to a surgical procedure during which bone, tissue, or tumor is removed to lessen intracranial pressure.

Dedifferentiate

A mature cell returning to a less mature state. See differentiate, undifferentiated.

Delivery

See drug delivery.

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Continuing Education Program

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If you are a nurse or medical professional, register for PNA CEU Membership and  earn CEU credits to learn about the symptoms, diagnosis and treatment options for patients with pituitary disorders. Help PNA reduce the time it takes for patients to get an accurate diagnosis.

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