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Topic: Multiple endocrine neoplasia


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In the News (Mon 16 Nov 09)

  
  Multiple Endocrine Neoplasia Type 2
The endocrine disorders observed in MEN 2 are medullary thyroid carcinoma and/or its precursor, C-cell hyperplasia; pheochromocytoma; and parathyroid adenoma or hyperplasia.
MEN 1 is caused by mutations in the
MEN 1 is characterized by a triad of pituitary adenomas, pancreatic islet cell tumors, and parathyroid disease consisting of hyperplasia or adenoma.
www.geneclinics.org /profiles/men2/details.html   (4908 words)

  
 Multiple endocrine neoplasia type 2 - WrongDiagnosis.com
A type of multiple endocrine neoplasia characterized by a virtually 100% incidence of medullary thyroid carcinoma, a 50% incidence of pheochromocytoma, and a lesser incidence of parathyroid adenomas associated with hyperparathyroidism.
Multiple endocrine neoplasia type 2 is part of a group of disorders that affect the endocrine system.
Most cases of multiple endocrine neoplasia type 2 are inherited in an autosomal dominant pattern, which means affected people may have affected siblings and relatives in successive generations (such as parents and children).
www.wrongdiagnosis.com /m/multiple_endocrine_neoplasia_type_2/intro.htm   (1046 words)

  
 MEN Syndrome and M.E.N. 1: Parathyroid, Pituitary, Pancreas, Thyroid Tumors and MEN type 1 Syndrome
MEN 1 is passed down in families from one generation to the next.
Endocrine gland enlargement and hormone overproduction does not usually occur in all areas of an endocrine gland at the same point in time.
The endocrine disorders which may be related to MEN 1 are those in which the parathyroid gland (not the thyroid!), pancreas and pituitary gland become overactive.
www.endocrineweb.com /MEN/MEN1.html   (1961 words)

  
 Multiple Endocrine Neoplasia - Patient UK
Multiple endocrine neoplasia type 2 (MEN 2) is the association of medullary cell carcinoma of the thyroid (MTC) and phaeochromocytoma.
MEN 2B is associated with mucosal neuromata and a habitus suggestive of Marfan's syndrome.
MEN 2-associated phaeochromocytomata are characterised by excessive adrenaline secretion, so that palpitation and other beta-adrenergic symptoms predominate initially, with hypertension a late feature, although often present by the time of diagnosis.
www.patient.co.uk /showdoc/40002418   (3079 words)

  
 Multiple Endocrine Neoplasia Type 1   (Site not responding. Last check: 2007-10-09)
Multiple endocrine neoplasia type 1 (MEN1) is an inherited disorder that affects the endocrine glands.
Endocrine glands are different from other organs in the body because they release hormones into the bloodstream.
Another rare complication is an endocrine tumor inside the chest or in the stomach, known as a carcinoid.
endocrine.niddk.nih.gov /pubs/men1/men1.htm   (3075 words)

  
 Multiple endocrine neoplasia type 1 - WrongDiagnosis.com
Multiple endocrine neoplasia type 1 is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).
Multiple endocrine neoplasia type 1 is part of a group of disorders that affect the endocrine system.
Although many different types of hormone-producing tumors are associated with multiple endocrine neoplasia, tumors of the parathyroid gland, pituitary gland, and pancreas are most frequent in multiple endocrine neoplasia type 1.
www.wrongdiagnosis.com /m/multiple_endocrine_neoplasia_type_1/intro.htm   (548 words)

  
 Multiple Endocrine Neoplasia Syndromes   (Site not responding. Last check: 2007-10-09)
MEN (multiple endocrine neoplasia) type 2 syndrome is an inherited disease characterized by medullary thyroid carcinoma, pheochromocytoma, hyperparathyroidism and/or developmental anomalies.
Multiple endocrine neoplasia type 2 (MEN 2) is an inherited cancer syndrome characterised by medullary thyroid carcinoma (MTC), with or without phaeochromocytoma and hyperparathyroidism.
MEN 2 is unusual among cancer syndromes as it is caused by activation of a cellular oncogene, RET.
www.thedoctorsdoctor.com /diseases/mensyndromes.htm   (1732 words)

  
 NETumoradvisor | Multiple Endocrine Neoplasia (MEN) Syndrome   (Site not responding. Last check: 2007-10-09)
Multiple endocrine neoplasia (MEN) syndromes are rare inherited conditions in which patients develop more than one tumor that produces hormones (called endocrine tumors).
Tumors seen in MEN syndromes include carcinoids, pancreatic endocrine tumors, and tumors of the thyroid, parathyroid, and adrenal and pituitary glands.
This is a general overview of multiple endocrine neoplasia syndromes and genetic abnormalities that underlie these conditions.
www.netumoradvisor.org /men_home.asp   (570 words)

  
 MEN Syndromes: Parathyroid, Pituitary, Pancreas, Thyroid
MEN 2 is passed down in families from one generation to the next.
MEN 2 can be inherited by a child if one of their parents has MEN 2.
Because MEN 2 is caused by a malfunctioning gene, which is present in every cell of the body, it is not possible to cure MEN 2.
www.endocrineweb.com /MEN/MEN2.html   (1310 words)

  
 Multiple endocrine neoplasia type 1 (MEN 1) treatment at Mayo Clinic   (Site not responding. Last check: 2007-10-09)
Mayo specialists diagnose MEN 1 in probands (first family member to be identified) by documenting two of the three major manifestations (parathyroid, pancreatic neuroendocrine or pituitary tumors) or one major manifestation in a family member of a proband.
MEN 1 is an inherited disorder that can cause tumors in at least eight endocrine and non-endocrine tissues.
Major clinical symptoms of MEN 1 include primary hyperparathyroidism (seen in more than 95 percent of patients), pancreatic endocrine tumors (seen in 50 to 75 percent of patients), and pituitary tumors (seen in 30 to 55 percent of patients).
www.mayoclinic.org /men1   (464 words)

  
 Multiple Endocrine Neoplasia (MEN) II
Multiple Endocrine Neoplasia II (MEN II) is a hereditary disorder in which a type of thyroid cancer accompanied by recurring cancer of the adrenal glands.
One type of this disease (MEN IIa) is also associated with overgrowth (hyperplasia) of the parathyroid gland.
The cause of MEN II is genetic -- a mutation in a gene called RET.
www.umm.edu /ency/article/000399.htm   (300 words)

  
 Treatment Strategies for Multiple Endocrine Neoplasia Type 1   (Site not responding. Last check: 2007-10-09)
Morbidity may be reduced and survival prolonged with early detection of pancreatic and duodenal endocrine tumors in at-risk MEN 1 family members, hence the importance of presymptomatic testing.
Multiple endocrine neoplasia type 1 (MEN 1) is an autosomal dominant inherited disorder that affects tumorigenesis in at least 8 endocrine and nonendocrine tissues.
Primary HPT is the initial clinical manifestation of MEN 1 in 60% to 90% of patients, and the primary pathology is asymmetric hyperplasia or multiple adenomas involving all parathyroid glands.
www.mayoclinic.org /clinical-update/21-2-05-special-men1.html   (1032 words)

  
 Multiple Endocrine Neoplasia Syndromes: Hormonal Disorders: Merck Manual Home Edition   (Site not responding. Last check: 2007-10-09)
Multiple endocrine neoplasia syndromes are rare conditions in which several endocrine glands develop noncancerous (benign) or cancerous (malignant) tumors or grow excessively without forming tumors.
Multiple endocrine neoplasia syndromes can appear in infants or in those as old as age 70.
Multiple endocrine neoplasia syndromes occur in three patterns, called types 1, 2A, and 2B, although the types occasionally overlap.
www.merck.com /mmhe/sec13/ch167/ch167a.html   (1117 words)

  
 Familial Multiple Endocrine Neoplasia Type 1 -- Endocrine Resource Center
Familial multiple endocrine neoplasia type 1 (FMEN1) is an inherited disorder that affects the endocrine glands.
It is sometimes called familial multiple endocrine adenomatosis or Wermer's syndrome, after one of the first doctors to recognize it.
Since the type of pancreatic endocrine cancer associated with FMEN1 can be difficult to recognize, difficult to treat, and very slow to progress, doctors have different views about the value of surgery in managing these tumors.
www.thyroid-info.com /endocrine/multiple-endocrine-neoplasia.htm   (3024 words)

  
 Lifespan's A - Z Health Information Library - Multiple Endocrine Neoplasia (MEN) II   (Site not responding. Last check: 2007-10-09)
Multiple tumors may appear in the same person, but not necessarily at the same time.
The symptoms may vary, but are consistent with those of pheochromocytoma, medullary carcinoma of the thyroid, and sometimes hyperparathyroidism.
In MEN IIb, mucosal neuromas (benign tumors of the mucosa) may be present, as well as puffy lips and a prominent jaw.
www.lifespan.org /adam/healthillustratedencyclopedia/1/000399.html   (482 words)

  
 Multiple Endocrine Neoplasia 2 (MEN2) : Cancerbackup   (Site not responding. Last check: 2007-10-09)
In multiple endocrine neoplasia, a number of different tumours develop in the endocrine system.
The endocrine glands include the thyroid gland (in the front of the neck), the parathyroid glands (that lie just behind the thyroid gland), and the adrenal glands (which sit on top of the kidneys in the abdomen).
People with MEN 2B develop tumours that appear as swellings on their tongue, lips, eyelids, or lining of their mouths.
www.cancerbackup.org.uk /Cancertype/Endocrine/MEN2   (1333 words)

  
 Multiple Endocrine Neoplasia Type I
The four Ps that medical students often learn about multiple endocrine neoplasias are as follows: Hyperparathyroidism which again shows up in 90 to 95% of patients, often the first presenting symptom, and can present late; pancreatic islet cell neoplasia presents in 75 to 80% of people; pituitary adenoma is up to 65%.
Familial MEN is a prototype case of MEN Type 1 and one or more relatives with at least one major endocrine organ.
L.G. is a 60-year-old male with previous diagnosis of MEN Type 1 syndrome manifesting as parathyroid hyperplasia, prolactinoma and peptic ulcer disease with high gastrin levels.
www.bcm.edu /oto/grand/03_25_04.htm   (4296 words)

  
 Orphanet Journal of Rare Diseases | Full text | Multiple endocrine neoplasia type 1
Multiple Endocrine Neoplasia type 1 (MEN1) is a rare autosomal dominant hereditary cancer syndrome presented mostly by tumours of the parathyroids, endocrine pancreas and anterior pituitary, and characterised by a very high penetrance and an equal sex distribution.
Multiple Endocrine Neoplasia Type 1 (MEN1, OMIM 131100) is a rare inherited autosomal dominant cancer syndrome with a very high penetrance and an equal sex distribution that is characterised by the presence of hyperplasia and neoplasia in at least two different endocrine tissues (parathyroid adenomas, entero-pancreatic tumours and pituitary tumours) within a single patient.
Other endocrine and non-endocrine lesions, such as adrenal cortical tumours [1,2], carcinoids of the bronchi [3], gastrointestinal tract [4] and thymus [5], lipomas, angiofibromas and collagenomas [6,7] have been described, but with a lower frequency.
www.ojrd.com /content/1/1/38   (5835 words)

  
 Multiple Endocrine Neoplasia 1 (MEN1) : Cancerbackup   (Site not responding. Last check: 2007-10-09)
A person can also be diagnosed as having MEN1 if they have one endocrine tumour and one or more members of their family have been diagnosed with MEN1.
The endocrine glands include the pituitary gland (which lies immediately underneath the brain), the thyroid gland (in the front of the neck), the parathyroid glands (that lie just behind the thyroid gland), and the adrenal glands (which sit on top of the kidneys in the abdomen).
Men may be unable to have an erection (impotence).
www.cancerbackup.org.uk /Cancertype/Endocrine/MEN1   (1521 words)

  
 Multiple endocrine neoplasia syndromes Encyclopedia of Medicine - Find Articles   (Site not responding. Last check: 2007-10-09)
The multiple endocrine neoplasia (MEN) syndromes are three related disorders affecting the thyroid and other hormonal (endocrine) glands of the body.
For all types of MEN, the children of an affected individual have a 50% chance of inheriting the defective gene.
Diagnosed early, the prognosis for the MEN diseases is reasonably good, even for MEN2B, the most dangerous of the three forms.
www.findarticles.com /p/articles/mi_g2601/is_0009/ai_2601000914   (995 words)

  
 genome.gov | 1997 News Release, Multiple Endocrine Neoplasia Type 1 Gene
Their discovery of the gene for multiple endocrine neoplasia, type 1 (MEN1), is reported in the April 18 issue of the journal Science.
MEN1 is expressed throughout the body, not just in the endocrine glands as scientists might have predicted based on the endocrine tumors characteristic of the disease.
That is what happens in MEN1, an inherited endocrine disorder that causes simultaneous, multiple tumors of the parathyroid and pituitary glands and of islet cells in the pancreas.
www.genome.gov /10000942   (1085 words)

  
 M. D. Anderson Cancer Center - Multiple Endocrine Neoplasias
Multiple endocrine neoplasia (MEN) syndromes received their name because they predispose people to develop tumors of the endocrine glands.
The endocrine system is comprised of glands that secrete hormones into the bloodstream that control numerous processes within the body.
It is staffed with experts from the departments of Endocrine Neoplasia and Hormonal Disorders, Head and Neck Surgery and Surgical Endocrinology.
www.mdanderson.org /diseases/men   (239 words)

  
 MedlinePlus Medical Encyclopedia: Multiple Endocrine Neoplasia (MEN) II
Multiple endocrine neoplasia II (MEN II) is an uncommon condition passed down through families (inherited) marked by overactivity of the thyroid, adrenal, and parathyroid glands.
The type of adrenal tumor is a pheochromocytoma, and the thyroid tumor is a medullary carcinoma of the thyroid.
Patients with MEN IIb may have benign tumors (neuromas) of the mucosa, as well as puffy lips and a prominent jaw.
www.nlm.nih.gov /medlineplus/ency/article/000399.htm   (545 words)

  
 MedlinePlus Medical Encyclopedia: Multiple Endocrine Neoplasia Type I
Multiple endocrine neoplasia (MEN) I is disorder passed down through families (inherited) in which one or more of the endocrine glands have too much tissue or form a tumor.
Most persons with MEN I seek medical treatment for a severe form of peptic ulcer disease caused by a tumor in the pancreas and symptoms related to low blood sugar, high blood calcium, kidney stones, or pituitary problems (such as headache).
Risk factors for MEN I include a family history of this disorder, a previous pituitary tumor, and a history of Zollinger-Ellison syndrome.
www.nlm.nih.gov /medlineplus/ency/article/000398.htm   (476 words)

  
 Multipe endocrine neoplasia
MULTIPLE ENDOCRINE NEOPLASIA (MEN) is a group of rare diseases caused by genetic defects that lead to hyperplasia (abnormal multiplication or increase in the number of normal cells in normal arrangement in a tissue) and hyperfunction (excessive functioning) of 2 or more components of the endocrine system.
Normally, the hormones released by endocrine glands are carefully balanced to met the body's needs.
When a person has MEN, specific endocrine glands, such as the parathyroid glands, the pancreas gland and the pituitary gland, tend to become overactive.
www.ncbi.nlm.nih.gov /disease/MEN.html   (214 words)

  
 Multiple Endocrine Neoplasia Type 1: Clinical and Genetic Topics -- Marx et al. 129 (6): 484 -- Annals of Internal ...
Early studies of multiple endocrine neoplasia type 1 (MEN1) linked it to the PYGM marker (not shown) at 11q13 (chromosome 11, band q13) [8].
Relationship of multiple endocrine adenomas to the syndrome of ulcerogenic islet cell adenomas (Zollinger-Ellison): occurrence of both syndromes in one family.
Mapping eight new polymorphisms in 11q13 in the vicinity of multiple endocrine neoplasia type 1: identification of a new distal recombinant.
www.annals.org /cgi/content/full/129/6/484   (7768 words)

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