Pituitary Adenoma Symptoms

Pituitary adenomas are typically benign tumors that develop in the pituitary gland. Depending on the type and size of the adenoma, symptoms can vary widely. Here are some common symptoms categorized based on whether the adenoma is functioning (producing excess hormones) or non-functioning (not producing excess hormones):

General Symptoms

  • Headaches: Persistent or severe headaches can occur as the tumor grows and puts pressure on surrounding tissues.
  • Vision Problems: This can include loss of peripheral vision or sudden changes in vision due to pressure on the optic chiasm.
  • Nausea and Vomiting: These symptoms can result from increased intracranial pressure.

Symptoms Based on Hormonal Effects

  • Functioning Adenomas (Secreting Hormones)
    • Prolactinomas: Excess production of prolactin can lead to galactorrhea (milk production), menstrual irregularities in women, and erectile dysfunction in men.
    • Growth Hormone-Secreting Adenomas: Overproduction of growth hormone can cause acromegaly in adults (enlarged hands, feet, and facial features) and gigantism in children.
    • ACTH-Secreting Adenomas: Overproduction of adrenocorticotropic hormone (ACTH) can lead to Cushing's disease, characterized by weight gain, high blood pressure, diabetes, and skin changes.
    • Thyroid-Stimulating Hormone (TSH) Adenomas: Overproduction of TSH can cause hyperthyroidism, leading to symptoms like weight loss, rapid heartbeat, and nervousness.
  • Non-Functioning Adenomas
    • Hypopituitarism: Non-functioning adenomas can damage normal pituitary tissue, leading to reduced hormone production. This can cause symptoms like fatigue, weakness, weight loss, and decreased libido.

Specific Symptoms

  • Cushing's Disease: Weight gain, particularly around the midsection and upper back, rounded face, high blood pressure, osteoporosis, and skin changes (such as easy bruising and purple stretch marks).
  • Acromegaly: Enlarged hands and feet, coarsened facial features, joint pain, and thickened skin.

Additional Symptoms

  • Infertility: Both men and women may experience infertility due to hormonal imbalances.
  • Mood Changes: Depression, anxiety, and irritability can occur due to hormonal changes.

If you experience any of these symptoms persistently, it's important to consult your healthcare provider. They can perform a thorough examination and, if necessary, order diagnostic tests or imaging studies to determine the cause of these symptoms. Early detection and treatment are crucial for managing the symptoms and preventing complications associated with pituitary adenomas. At GW Cancer Center, you’ll be seen by doctors and surgeons who rank among the top neuro-oncology experts in the Washington, DC, region.