Difference Between Cushing Syndrome and Cushing Disease

Cushing Syndrome vs Cushing Disease: Key Differences & Causes Meta 

Cushing syndrome is a disorder with physical and mental changes that occur due to an excess level of cortisol in the blood for a longer period. On the other hand, Cushing disease is rare, with an estimated incidence of 1–3 cases per million people per year, whereas overall Cushing syndrome occurs in approximately 10–15 cases per million per year. It is more common in women between the ages of 20 and 50. 

All cases of Cushing Disease are Cushing Syndrome, but not all Cushing Syndrome cases are Cushing Disease. 

Key Differences Between Cushing Syndrome and Cushing Disease   

Here are the key differences between Cushing syndrome and Cushing disease: 

What are the Risk Factors of Cushing Syndrome and Cushing Disease? 

There are some risk factors for Cushing syndrome and Cushing disease. In the following section, we will discuss some of these:   

• Glucocorticoid Metabolism: Long-term use of glucocorticoid medications (like prednisone) for conditions like autoimmune disease or inflammatory conditions can lead to these disorders. This is also known as exogenous Cushing’s syndrome.       
• Pituitary Tumours: Pituitary adenomas that secrete excess ACTH cause Cushing disease, which is a specific ACTH‑dependent form of Cushing syndrome. This mainly affects women, and due to tumour formation, it triggers the excess production of cortisol. Though both glands are present in both genders, women are more prone to developing this condition.    
• Age: Cushing's syndrome, or Cushing's disease, is more prevalent in adults, especially those who are between 30 and 50 years old. Sometimes, it can affect children due to certain genetic mutations. 
• Gender: Women are about three times more likely to develop Cushing syndrome than men. This happens due to the higher prevalence of adrenal tumours, particularly adenomas, in women. 
• Family History: If anyone in the family has mutations in the genes, like Multiple Endocrine Neoplasia type 1 (MEN1) or Carney complex, it can increase the likelihood of developing Cushing’s Syndrome. These mutations lead to tumour formation in the pituitary and adrenal glands. 

Sometimes, individuals with poorly uncontrolled type 2 diabetes and high blood pressure can increase the risk of the development of Cushing’s syndrome. 

Reader Information: This article is intended for general informational and educational purposes only. Conditions such as Cushing syndrome and Cushing disease require proper evaluation, laboratory testing, and imaging, which should be performed and interpreted by a qualified healthcare professional, such as an endocrinologist. 

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