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Topic: Hypopituitarism

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	MedlinePlus Medical Encyclopedia: Hypopituitarism
		Hypopituitarism is a condition caused by low levels of pituitary hormones.
		Hypopituitarism may be caused by tumors of the pituitary gland or hypothalamus, head trauma, brain tumor, radiation, brain surgery, stroke, subarachnoid hemorrhage (from a burst aneurysm), or infections of the brain and the tissues that support the brain.
		The cause of this type of hypopituitarism is unknown.
	www.nlm.nih.gov /medlineplus/ency/article/000343.htm (775 words)

	Hypopituitarism - Wikipedia, the free encyclopedia
		Hypopituitarism is a medical term describing the deficiency (hypo) of one or more hormones of the pituitary gland.
		Hypopituitarism may come to medical attention by symptoms or features of pituitary hormone deficiency (e.g., poor growth, hypoglycemia, micropenis, delayed puberty, polyuria, impaired libido, fatigue, and many others), or because the physician has diagnosed one of the many disorders and conditions associated with hypopituitarism listed above and tests for it.
		Since most of the anterior pituitary hormones are proteins or glycoproteins released in pulsatile patterns, whose functions are to induce secretion of smaller molecule hormones (thyroid hormones and steroids), it is simpler and less expensive for most purposes to simply replace the target gland hormones.
	en.wikipedia.org /wiki/Hypopituitarism (595 words)

	Hypopituitarism (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is a medical term describing deficiency of one or more hormone s of the pituitary gland.
		Hypopituitarism and panhypopituitarism can be be congenital or acquired, due to trauma, surgery, tumor, inflammation, radiation, shock or other diseases.
		Hypopituitarism The diagnosis, causes, treatment and symptoms are discussed as well as what this disorder is.
	www.serebella.com /encyclopedia/article-Hypopituitarism.html (382 words)

	Lifespan's A - Z Health Information Library - Hypopituitarism (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is a condition caused by low levels of pituitary hormones.
		Hypopituitarism may be caused by tumors of the pituitary gland or hypothalamus, head trauma, brain tumor, radiation, brain surgery, stroke, subarachnoid hemorrhage (from a burst aneurysm), or infections of the brain and the tissues that support the brain.
		Occasionally, hypopituitarism is due to uncommon immune system or metabolic diseases, such as sarcoidosis, histiocytosis X, and hemochromatosis.
	www.lifespan.org /adam/healthillustratedencyclopedia/1/000343.html (719 words)

	Hypopituitarism \| myhealth@wellmark (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is loss of function in an endocrine gland due to failure of the pituitary gland to secrete hormones which stimulate that gland's function.
		Hypopituitarism is often caused by tumors, the most common of which is pituitary adenoma.
		However, hypopituitarism is usually a permanent condition and prognosis depends on the primary cause of the disorder.
	www.myhealthwellmark.com /topic/topic100586987 (2044 words)

	eMedicine - Hypopituitarism : Article by Jerome FX Naradzay, MD, FACEP
		Hypopituitarism is usually a combination of several hormonal deficiencies and rarely involves all pituitary hormones.
		Hypopituitarism resulting from pituitary adenomas is due to impaired blood flow to the normal tissue, compression of normal tissue, or interference with the delivery of hypothalamic hormones via the hypothalamus-hypophysial portal system.
		Once diagnosed, hypopituitarism due to pituitary adenomas may be entirely reversible by means of tumor resection or by shrinking it with pharmacologic therapy or radiation.
	www.emedicine.com /emerg/topic277.htm (5113 words)

	Endotext.com - Neuroendocrinology, Hypothalamus, And Pituitary, Hypopituitarism
		Hypopituitarism is a common complication of irradiation administered for pituitary adenomas, head and neck tumours, intracranial malignancy or as adjunctive cranial irradiation for acute lymphoblastic leukaemia.
		The clinical impact of pituitary insufficiency is dependent on the extent and severity of hormone deficiencies (Table 2), the duration of the disease and the age of onset; childhood onset hypopituitarism has consequences for all aspects of somatic development in addition to the pathophysiological effects of specific hormonal deficiencies.
		In hypopituitarism, basal serum hormone measurements may be all it is required to confirm the insufficiency; however, dynamic testing is mandatory for the diagnosis of partial deficiencies.
	www.mdtext.com /neuroendo/neuroendo12/neuroendo12.htm (7007 words)

	Postgraduate Medicine: Endocrine Problems Symposium: How to diagnose hypopituitarism
		Hypopituitarism encompasses an expanse of problems that can involve from one to all of the anterior pituitary hormones and can result in deficiency that ranges from partial to complete.
		Clinical manifestations of hypopituitarism depend on the hormones involved, the severity of the deficiencies, and the age at onset (1).
		Although hypopituitarism is rarely a complication of pituitary surgery, occasionally total hypophysectomy is done to treat hormonally active adenomas that cannot be identified at the time of transsphenoidal exploration.
	www.postgradmed.com /issues/1998/07_98/schmidt.htm (2854 words)

	The Pituitary Foundation \| Disorders \| Hypopituitarism (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is most often caused by a benign (i.e.
		Pituitary underactivity may be caused by the direct pressure of the tumour mass on the normal pituitary or by the effects of surgery or radiotherapy used to treat the tumour.
		Less frequently, hypopituitarism can be caused by infections (such as meningitus) in or around the brain or by severe blood loss, by head injury, or by various rare diseases such as sarcoidosis (an illness which resembles tuberculosis).
	www.pituitary.org.uk /disorders/hypopit.htm (374 words)

	HON Mother & Child Glossary, Hypopituitarism in Childhood
		Hypopituitarism can be primary (directly affecting the pituitary gland) or secondary (affecting the hypothalamus).
		The causes of hypopituitarism vary, depending on whether it is primary or secondary.
		The resulting symptoms of hypopituitarism depend on which hormones are no longer being produced by the gland.
	www.hon.ch /Dossier/MotherChild/child_hormones/hypopituitary.html (245 words)

	Hypopituitarism Information on Healthline
		Hypopituitarism, also known as the underactivity of the pituitary gland (an endocrine gland), is loss of function in the pituitary and the failure to secrete hormones that affect many of the body's functions.
		Patients diagnosed with hypopituitarism may be deficient in one or several hormones or have complete pituitary failure.
		Symptoms of hypopituitarism vary with the affected hormones and severity of hormone deficiency.
	www.healthline.com /galecontent/hypopituitarism (1100 words)

	Hypopituitarism: Pituitary Gland Disorders: Merck Manual Home Edition
		Hypopituitarism is an underactive pituitary gland that results in deficiency of one or more pituitary hormones.
		Hypopituitarism, an uncommon disorder, can be caused by a number of factors, including a pituitary tumor or an insufficient blood supply to the pituitary gland.
		Once hypopituitarism is established by blood tests, the pituitary gland is usually evaluated with a computed tomography (CT) or magnetic resonance imaging (MRI) scan to identify structural problems.
	www.merck.com /pubs/mmanual_home2/sec13/ch162/ch162c.htm (1394 words)

	[No title]
		Hypopituitarism, also called an underactive pituitary gland, is a condition that affects the anterior lobe of the pituitary gland -- usually resulting in a partial or complete loss of functioning of that lobe.
		Because the pituitary gland affects the other endocrine organs, effects of hypopituitarism may be gradual or sudden and dramatic.
		Causes of hypopituitarism can directly affect the pituitary gland or indirectly through the hypothalamus, which in turn affects the pituitary gland.
	www.umm.edu /endocrin/hypopit.htm (492 words)

	The Pituitary Foundation \| GP Fact File \| 6. Hypopituitarism (Site not responding. Last check: 2007-11-03)
		If hypopituitarism is caused by tumour compression, function may be partially or fully recovered after surgery or medical therapy to reduce the size of the tumour.
		Surgically-induced hypopituitarism may occur in some cases, particularly if the tumour is large, but this can be transitory and some or all of the function may recover.
		Hypopituitarism may also develop after several years of treatment of a pituitary tumour by radiotherapy.
	www.pituitary.org.uk /gp-factfile/6-hypopit.htm (854 words)

	Diagnose-Me: Condition: Hypopituitarism
		Hypopituitarism is a general term that refers to any under-performance of the pituitary gland.
		This is a clinical definition used by endocrinologists and is interpreted to mean that one or more functions of the pituitary are deficient.
		Causes of hypopituitarism are tumors or lesions of various origins, congenital defects, trauma, radiation, surgery, encephalitis, hemochromatosis, and stroke.
	www.diagnose-me.com /cond/C45228.html (2771 words)

	dreddyclinic.com - Hypopituitarism (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is a disorder in which your pituitary gland fails to produce one or more of its hormones, or doesn't produce enough of them.
		While physicians rarely diagnose hypopituitarism, they should be aware of the signs and symptoms that characterize this disorder.
		Signs and symptoms of hypopituitarism vary, depending on which pituitary hormones are deficient.
	www.dreddyclinic.com /findinformation/hh/hypopituitarism.htm (388 words)

	Hypopituitarism - WrongDiagnosis.com
		Hypopituitarism is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).
		This means that Hypopituitarism, or a subtype of Hypopituitarism, affects less than 200,000 people in the US population.
		With a diagnosis of Hypopituitarism, it is also important to consider whether there is an underlying condition causing Hypopituitarism.
	www.wrongdiagnosis.com /h/hypopituitarism/intro.htm (517 words)

	eMedicine - Hypopituitarism : Article by Lawrence A Wetterau, MD
		Hyponatremia unassociated with hypovolemia and unresponsive to fluid restriction occurs in infants with hypopituitarism.
		Optic nerve hypoplasia is associated with hypopituitarism; the presence of small pale optic disks or nystagmus should prompt consideration of hypopituitarism.
		Growth response of infants and children with severe GHD secondary to congenital hypopituitarism often is remarkable (see Image 1, which depicts the results achieved with rhGH therapy for 8 mo).
	www.emedicine.com /ped/topic1130.htm (4264 words)

	Hypopituitarism American Family Physician - Find Articles (Site not responding. Last check: 2007-11-03)
		Although the onset of hypopituitarism is sometimes rapid, in most patients the onset is insidious.
		The patient's age, overall physical and mental condition and the underlying etiology of hypopituitarism influence the clinical manifestations.
		Knowledge of anatomy and pathophysiology aid in determining the etiology of hypopituitarism, understanding the clinical course and instituting appropriate therapy.
	www.findarticles.com /p/articles/mi_m3225/is_n6_v43/ai_10996863 (753 words)

	Hypopituitarism
		Hypopituitarism is frequently triggered by a tumor of the pituitary gland.
		In some cases, the cause of hypopituitarism is unknown.
		Also, if certain symptoms of hypopituitarism develop suddenly — a severe headache or visual disturbances, confusion or declines in blood pressure — contact your doctor immediately.
	www.cnn.com /HEALTH/library/DS/00479.html (1151 words)

	UpToDate Causes of hypopituitarism
		— Hypopituitarism refers to decreased secretion of pituitary hormones, which can result from diseases of the pituitary gland or from diseases of the hypothalamus, which cause diminished secretion of hypothalamic releasing hormones, thereby reducing secretion of the corresponding pituitary hormones (show table 1).
		The clinical manifestations of hypopituitarism depend upon the cause as well as the type and degree of hormonal insufficiency.
		One study, for example, evaluated 26 patients who had pituitary macroadenomas and hypopituitarism: 17 recovered thyroid and adrenal function and nine recovered gonadal function after transsphenoidal resection of the adenomas [2].
	patients.uptodate.com /topic.asp?file=pituitar/6776&title=Anterior+Pituitary+gland (405 words)

	Hypopituitarism (Site not responding. Last check: 2007-11-03)
		Hypopituitarism is a medical term describing deficiency of one or more hormones of the pituitary gland.
		Growth hormone isoften the first hormone lost, so most people with hypopituitarism lack GH as well as one or more others.
		Hypopituitarism and panhypopituitarism can be be congenital or acquired, due to trauma, surgery, tumor, inflammation,radiation, shock or other diseases.
	www.therfcc.org /hypopituitarism-8418.html (229 words)

	Hypopituitarism - Lucile Packard Children's Hospital
		Hypopituitarism, also called an underactive pituitary gland, is a condition that affects the anterior (front) lobe of the pituitary gland - usually resulting in a partial or complete loss of functioning of that lobe.
		Hypopituitarism, in children, is often caused by a benign (non-cancerous) pituitary tumor, an injury, or an infection.
		The symptoms of several underactive glands may help your child's physician diagnose hypopituitarism.
	www.lpch.org /DiseaseHealthInfo/HealthLibrary/diabetes/hypop.html (493 words)

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