Adrenal Adenomas: Symptoms You Shouldn't Ignore

Adrenal adenomas can often be silent and go unnoticed, especially when they are non-functioning and do not produce excess hormones. However, when these benign tumors on the adrenal glands start to disrupt the normal balance of hormone production, they can lead to a variety of symptoms that may significantly affect a person's health and well-being. Understanding these symptoms and knowing when to seek medical attention is key to managing adrenal adenomas effectively.

The adrenal glands, located above each kidney, are responsible for producing important hormones such as cortisol, aldosterone, and androgens. These hormones regulate essential body functions like metabolism, blood pressure, and stress responses. When an adrenal adenoma interferes with hormone production, it can cause a cascade of symptoms. Below, we'll discuss the symptoms you should not ignore if you suspect an adrenal adenoma may be affecting your health.

Unexplained Weight Gain

One of the most common and noticeable symptoms of a cortisol-producing adrenal adenoma (leading to Cushing's syndrome) is rapid, unexplained weight gain. This weight gain is typically centered around the midsection, face, and upper back. In addition to the physical changes, this can lead to a condition known as "central obesity," where fat accumulates around the trunk of the body while the arms and legs remain relatively thin.

The weight gain caused by an adrenal adenoma can be frustrating and distressing, especially since it doesn't respond well to traditional methods of weight loss, such as dieting and exercise. Many individuals may notice that their face becomes more rounded or swollen (a condition called "moon face"), while fat deposits accumulate between the shoulders, creating a "buffalo hump." If you experience this type of rapid weight gain without any obvious cause, it's important to consult a healthcare provider.

High Blood Pressure

Hypertension, or high blood pressure, is another key symptom of adrenal adenomas, particularly those that secrete aldosterone, leading to a condition called primary aldosteronism. Excess aldosterone causes the kidneys to retain sodium and lose potassium, leading to increased blood pressure. This type of high blood pressure can be difficult to control with standard medications and may require more specific treatment to address the underlying cause.

In some cases, people with adrenal adenomas may not experience any symptoms of high blood pressure initially, but over time, the condition can lead to headaches, dizziness, and an increased risk of heart disease or stroke. If you have persistent high blood pressure that doesn't respond well to medication, it may be worth investigating whether an adrenal adenoma is the cause.

Fatigue and Muscle Weakness

Fatigue is a common complaint among people with functioning adrenal adenomas. The excess production of hormones, particularly cortisol, can lead to feelings of exhaustion that aren't relieved by rest or sleep. This fatigue can be both physical and mental, making it difficult to focus on daily tasks or enjoy normal activities.

In addition to fatigue, muscle weakness is another symptom to watch for, particularly in cases of aldosterone-secreting adenomas. Low potassium levels (hypokalemia) caused by the excess aldosterone can lead to muscle cramps, spasms, and weakness, especially in the legs. People may find it difficult to climb stairs, lift objects, or even walk without experiencing muscle fatigue. If you notice unexplained weakness or persistent tiredness, it's important to seek medical advice.

Mood Swings and Emotional Changes

Hormonal imbalances caused by adrenal adenomas can have a profound effect on mental health and emotional stability. Elevated cortisol levels, in particular, are known to cause mood swings, irritability, and even depression. People may find themselves feeling anxious or easily frustrated, often without a clear reason. In severe cases, the emotional changes can mimic symptoms of psychiatric disorders, making it difficult to pinpoint the true cause.

For many individuals, the emotional toll of living with an adrenal adenoma can be just as challenging as the physical symptoms. It's common to experience feelings of helplessness or frustration, especially if the mood changes are affecting relationships or quality of life. If you or a loved one are experiencing significant emotional shifts alongside physical symptoms, it's important to discuss these changes with a healthcare provider.

Excessive Hair Growth or Acne

Androgen-secreting adrenal adenomas can lead to symptoms that are particularly noticeable in women. Excess androgens (male hormones) can cause hirsutism, which is the abnormal growth of coarse hair on areas of the body where women typically don't have much hair, such as the face, chest, or back. This can be a distressing symptom that affects self-esteem and confidence.

In addition to hirsutism, excess androgens can also lead to severe acne, especially on the face, chest, and back. This acne may not respond well to typical treatments, and in some cases, it can become quite painful or inflamed. If you notice new or worsening acne or abnormal hair growth, it's a good idea to speak with a healthcare professional about the possibility of an adrenal adenoma.

Frequent Urination and Excessive Thirst

In cases of primary aldosteronism, where excess aldosterone causes the body to lose potassium, individuals may experience symptoms such as frequent urination (polyuria) and excessive thirst (polydipsia). These symptoms occur because the body is trying to balance the sodium and potassium levels by flushing out more urine, leading to dehydration and an increased need to drink fluids.

While frequent urination and thirst may seem like minor inconveniences, they can significantly disrupt daily life, particularly if the need to urinate frequently interrupts sleep at night. Additionally, if left untreated, this imbalance can lead to more serious complications, such as kidney damage or heart problems. If you find yourself constantly thirsty or needing to use the bathroom more often than usual, it's worth getting checked for a hormonal imbalance.

Headaches and Vision Problems

Adrenal adenomas can sometimes cause neurological symptoms, particularly if they lead to hypertension. High blood pressure can cause recurrent headaches, especially in the back of the head or temples. In more severe cases, individuals may also experience vision problems, such as blurred vision or seeing spots, which can be a sign of increased pressure on the blood vessels in the eyes.

These symptoms are particularly concerning because they may indicate that the high blood pressure caused by the adrenal adenoma is starting to affect other organs. Left untreated, this can lead to long-term damage, so it's essential to seek medical attention if you experience persistent headaches or changes in your vision.

Menstrual Irregularities and Infertility

For women, adrenal adenomas that produce excess cortisol or androgens can lead to menstrual irregularities. Periods may become less frequent, lighter, or stop altogether (amenorrhea). Additionally, these hormonal imbalances can make it difficult to conceive, leading to infertility in some cases.

These symptoms may be overlooked or attributed to other causes, but if you are experiencing menstrual changes alongside other signs of an adrenal adenoma, it's important to consider the possibility of a hormonal imbalance. A healthcare provider can conduct tests to determine whether an adrenal adenoma is affecting your reproductive health.

Skin Changes and Easy Bruising

One of the lesser-known symptoms of a cortisol-producing adrenal adenoma is the effect on the skin. Excess cortisol can cause the skin to become thinner and more fragile, leading to easy bruising, even from minor bumps or scrapes. People may also develop stretch marks (striae) that appear as wide, purple-red marks, particularly on the abdomen, thighs, or breasts.

These skin changes can be physically uncomfortable and may also contribute to feelings of self-consciousness, especially if the bruising or stretch marks are highly visible. If you notice that your skin seems more prone to bruising or you're developing new stretch marks, it may be worth discussing with your doctor.

When to See a Doctor

If you suspect that you may have an adrenal adenoma, especially if you are experiencing any of the symptoms listed above, it's important to seek medical attention. A healthcare provider can perform the necessary tests, including blood work and imaging studies, to determine whether an adrenal adenoma is present and whether it is affecting your hormone levels.

Many adrenal adenomas are benign and may not require treatment, but if the adenoma is causing significant symptoms or disrupting hormone production, early diagnosis and treatment are key to preventing further complications.