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==Overview==
==Overview==
Cushing’s syndrome occurs when the body’s tissues are exposed to high levels of [[corticosteroids]] for a long period. Many people develop Cushing’s syndrome because they take [[glucocorticoids]], [[steroid hormones]] that are chemically similar to naturally produced [[cortisol]]—such as [[prednisone]] for [[asthma]], [[Rheumatoid Arteritis|rheumatoid arthritis]], [[lupus]], and other [[inflammatory diseases]]. [[Glucocorticoid]]s are also used to suppress the [[immune system]] after [[transplantation]] to keep the body from rejecting the new organ or tissue.
Cushing’s syndrome occurs when the body’s tissues are exposed to high levels of [[corticosteroids]] for a long period. Many people develop Cushing’s syndrome because they take [[glucocorticoids]], ([[steroid hormones]] that are chemically similar to naturally produced [[cortisol]]) such as [[prednisone]] for [[asthma]], [[Rheumatoid Arteritis|rheumatoid arthritis]], [[lupus]], and other [[inflammatory diseases]]. [[Glucocorticoid]]s are also used to suppress the [[immune system]] after [[transplantation]] to keep the body from rejecting the new organ or tissue. Other people develop Cushing’s syndrome because their bodies produce too much [[cortisol]] due to adrenal or extra-adrenal causes.
Other people develop Cushing’s syndrome because their bodies produce too much [[cortisol]] due to adrenal or extra-adrenal causes.


==Causes==
==Causes==
The major causes of Cushing's syndrome are:<ref name="pmid26004339">{{cite journal |vauthors=Lacroix A, Feelders RA, Stratakis CA, Nieman LK |title=Cushing's syndrome |journal=Lancet |volume=386 |issue=9996 |pages=913–27 |year=2015 |pmid=26004339 |doi=10.1016/S0140-6736(14)61375-1 |url=}}</ref><ref name="pmid25480800">{{cite journal |vauthors=Raff H, Carroll T |title=Cushing's syndrome: from physiological principles to diagnosis and clinical care |journal=J. Physiol. (Lond.) |volume=593 |issue=3 |pages=493–506 |year=2015 |pmid=25480800 |pmc=4324701 |doi=10.1113/jphysiol.2014.282871 |url=}}</ref><ref name="pmid24423978">{{cite journal |vauthors=Else T, Kim AC, Sabolch A, Raymond VM, Kandathil A, Caoili EM, Jolly S, Miller BS, Giordano TJ, Hammer GD |title=Adrenocortical carcinoma |journal=Endocr. Rev. |volume=35 |issue=2 |pages=282–326 |year=2014 |pmid=24423978 |pmc=3963263 |doi=10.1210/er.2013-1029 |url=}}<ref name="urlCushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review">{{cite web |url=https://www.hindawi.com/journals/crie/2012/215038/ |title=Cushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review |format= |work= |accessdate=}}</ref><ref name="urlCushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review">{{cite web |url=https://www.hindawi.com/journals/crie/2012/215038/ |title=Cushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review |format= |work= |accessdate=}}</ref>
The major causes of Cushing's syndrome are:<ref name="pmid26004339">{{cite journal |vauthors=Lacroix A, Feelders RA, Stratakis CA, Nieman LK |title=Cushing's syndrome |journal=Lancet |volume=386 |issue=9996 |pages=913–27 |year=2015 |pmid=26004339 |doi=10.1016/S0140-6736(14)61375-1 |url=}}</ref><ref name="pmid25480800">{{cite journal |vauthors=Raff H, Carroll T |title=Cushing's syndrome: from physiological principles to diagnosis and clinical care |journal=J. Physiol. (Lond.) |volume=593 |issue=3 |pages=493–506 |year=2015 |pmid=25480800 |pmc=4324701 |doi=10.1113/jphysiol.2014.282871 |url=}}</ref><ref name="pmid24423978">{{cite journal |vauthors=Else T, Kim AC, Sabolch A, Raymond VM, Kandathil A, Caoili EM, Jolly S, Miller BS, Giordano TJ, Hammer GD |title=Adrenocortical carcinoma |journal=Endocr. Rev. |volume=35 |issue=2 |pages=282–326 |year=2014 |pmid=24423978 |pmc=3963263 |doi=10.1210/er.2013-1029 |url=}}</ref><ref name="pmid22347350">{{cite journal |vauthors=Vyas S, Gorsi U, Bansali A, Khandelwal N |title=Anterior mediastinal mass in a patient with Cushing's syndrome |journal=Ann Thorac Med |volume=7 |issue=1 |pages=42–3 |year=2012 |pmid=22347350 |pmc=3277041 |doi=10.4103/1817-1737.91557 |url=}}</ref><ref name="urlCushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review">{{cite web |url=https://www.hindawi.com/journals/crie/2012/215038/ |title=Cushing’s Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review |format= |work= |accessdate=}}</ref>
*Excess [[ACTH]] secretion
*Excess [[ACTH]] secretion
**'''[[Pituitary adenoma|Pituitary Adenomas]]:''' These [[benign]], or noncancerous, tumors of the [[pituitary gland]] secrete extra [[ACTH]]. Most people with the disorder have a single [[adenoma]]. This form of the syndrome is known as [[Cushing’s disease]].
**'''[[Pituitary adenoma|Pituitary Adenomas]]:''' These [[benign]], or noncancerous, tumors of the [[pituitary gland]] secrete extra [[ACTH]]. Most people with the disorder have a single [[adenoma]]. This form of the syndrome is known as [[Cushing’s disease]].

Latest revision as of 00:23, 30 August 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Furqan M M. M.B.B.S[2]

Overview

Cushing’s syndrome occurs when the body’s tissues are exposed to high levels of corticosteroids for a long period. Many people develop Cushing’s syndrome because they take glucocorticoids, (steroid hormones that are chemically similar to naturally produced cortisol) such as prednisone for asthma, rheumatoid arthritis, lupus, and other inflammatory diseases. Glucocorticoids are also used to suppress the immune system after transplantation to keep the body from rejecting the new organ or tissue. Other people develop Cushing’s syndrome because their bodies produce too much cortisol due to adrenal or extra-adrenal causes.

Causes

The major causes of Cushing's syndrome are:[1][2][3][4][5]

Familial Cushing’s Syndrome

Drugs

The following drugs can also cause the Cushing's syndrome.

References

  1. Lacroix A, Feelders RA, Stratakis CA, Nieman LK (2015). "Cushing's syndrome". Lancet. 386 (9996): 913–27. doi:10.1016/S0140-6736(14)61375-1. PMID 26004339.
  2. Raff H, Carroll T (2015). "Cushing's syndrome: from physiological principles to diagnosis and clinical care". J. Physiol. (Lond.). 593 (3): 493–506. doi:10.1113/jphysiol.2014.282871. PMC 4324701. PMID 25480800.
  3. Else T, Kim AC, Sabolch A, Raymond VM, Kandathil A, Caoili EM, Jolly S, Miller BS, Giordano TJ, Hammer GD (2014). "Adrenocortical carcinoma". Endocr. Rev. 35 (2): 282–326. doi:10.1210/er.2013-1029. PMC 3963263. PMID 24423978.
  4. Vyas S, Gorsi U, Bansali A, Khandelwal N (2012). "Anterior mediastinal mass in a patient with Cushing's syndrome". Ann Thorac Med. 7 (1): 42–3. doi:10.4103/1817-1737.91557. PMC 3277041. PMID 22347350.
  5. "Cushing's Syndrome due to Ectopic ACTH from Bronchial Carcinoid: A Case Report and Review".

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