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Which are the symptoms of Multiple Endocrine Neoplasia?

See the worst symptoms of affected by Multiple Endocrine Neoplasia here

Multiple Endocrine Neoplasia symptoms

Symptoms of Multiple Endocrine Neoplasia


Multiple Endocrine Neoplasia (MEN) is a rare genetic disorder that affects the endocrine system, which is responsible for producing and regulating hormones in the body. There are several types of MEN, including MEN1, MEN2A, MEN2B, and familial medullary thyroid cancer (FMTC). Each type of MEN is characterized by the development of tumors in specific endocrine glands, leading to the overproduction of hormones and various symptoms.



MEN1


MEN1 is the most common type of multiple endocrine neoplasia. It is caused by mutations in the MEN1 gene and primarily affects the parathyroid glands, pancreas, and pituitary gland. The symptoms of MEN1 can vary widely depending on the specific glands involved and the size and location of the tumors. Some common symptoms include:



  • Hyperparathyroidism: Overactive parathyroid glands leading to high levels of calcium in the blood, resulting in symptoms such as fatigue, weakness, kidney stones, and bone pain.

  • Pancreatic neuroendocrine tumors: These tumors can cause symptoms such as abdominal pain, diarrhea, weight loss, and hormonal imbalances.

  • Pituitary tumors: These tumors can lead to hormonal imbalances, causing symptoms such as headaches, vision problems, fatigue, and infertility.

  • Adrenal gland tumors: Adrenal tumors may cause excessive production of cortisol, leading to symptoms like weight gain, high blood pressure, and muscle weakness.



MEN2A


MEN2A is caused by mutations in the RET gene and primarily affects the thyroid gland, parathyroid glands, and adrenal glands. The symptoms of MEN2A may include:



  • Medullary thyroid cancer (MTC): This is the most common symptom of MEN2A. MTC is a type of thyroid cancer that arises from the C cells of the thyroid gland. It may cause a lump in the neck, difficulty swallowing, hoarseness, and enlarged lymph nodes.

  • Hyperparathyroidism: Similar to MEN1, MEN2A can also lead to overactive parathyroid glands and the associated symptoms.

  • Pheochromocytoma: These tumors develop in the adrenal glands and can cause high blood pressure, rapid heartbeat, sweating, anxiety, and headaches.



MEN2B


MEN2B is also caused by mutations in the RET gene and primarily affects the thyroid gland, adrenal glands, and other parts of the body. The symptoms of MEN2B may include:



  • Medullary thyroid cancer (MTC): Similar to MEN2A, MEN2B is characterized by the development of MTC.

  • Pheochromocytoma: Similar to MEN2A, MEN2B can also lead to the development of pheochromocytomas.

  • Neuromas and ganglioneuromas: These benign tumors can develop on the lips, tongue, and other mucous membranes, causing thickened lips, bumps on the tongue, and gastrointestinal issues.

  • Marfanoid habitus: Individuals with MEN2B may have physical features resembling Marfan syndrome, such as tall and thin stature, long limbs, and flexible joints.



Familial Medullary Thyroid Cancer (FMTC)


FMTC is a milder form of MEN2A, where individuals primarily develop medullary thyroid cancer without the associated tumors in the parathyroid or adrenal glands. The symptoms of FMTC are similar to MEN2A and include MTC and, in some cases, pheochromocytoma.



It is important to note that the symptoms of multiple endocrine neoplasia can vary from person to person, and not all individuals with a genetic mutation associated with MEN will develop tumors or experience symptoms. Regular screenings, genetic testing, and close monitoring by healthcare professionals are crucial for early detection and management of MEN.


Diseasemaps
5 answers
Pancreatic cancer, thyroid cancer, exhaustion

Posted Oct 25, 2017 by Penny 100
Bone pain and not being able to think coherently

Posted Oct 25, 2017 by Mrcperk 2000
I have MEN2A, which is often silent ( minimal to no symptoms). For the thyroid cancer, there were no symptoms at all. It was only picked up bec the Drs figured out Mom had MEN2A after her adrenal tumor diagnosis. For the adrenal tumor, I did have "spells", where my heart would race, the blood would drain from my face and I would feel nauseous. It would often happen in the middle of the night, waking me up from sleep. I would also have shaky hands during the spells. The spells would pass if I squatted, but would start back up if I laid down too soon. The spells started before they could pick the adrenal tumors up on MRIs and CT scans.

Posted Feb 25, 2018 by Pam 300
There may not be any symptoms.
Blood pressure issues
Dizziness
Thyroid problems

Posted Sep 3, 2019 by Crystal 1750

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