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Clinical

That which can be observed in patients. Research that uses patients to test new treatments, as opposed to laboratory testing or research in animals.

Clinical Cooperative Group

A group of academic institutions and treatment centers cooperating to perform clinical research and clinical trials.

CNS

Central Nervous System.

CO

Childhood onset: adult patients with growth hormone deficiency from childhood.

Colonoscope

An instrument which allows visualization of the inside of the colon.

Colonoscopy

Procedure to examine the colon and rectal tissues by means of an instrument known as a colonoscope.

Congenital

Existing before or at birth.

Congenital Adrenal Hyperplasia

21-hydroxylase deficiency (also known as congenital adrenal hyperplasia)

Contrast Agent, Contrast Medium

Substances used in radiography that allow visualization of certain tissues.

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.

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The Pituitary Patient Resource Guide Sixth Edition is now available! Be one of the first to have the most up-to-date information. The Pituitary Patient Resource Guide a one of a kind publication intended as an invaluable source of information not only for patients but also their families, physicians, and all health care providers. It contains information on symptoms, proper testing, how to get a diagnosis, and the treatment options that are available. It also includes Pituitary Network Association's patient resource listings for expert medical care.

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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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