Pituitary tumors are neoplasms that arise in the pituitary gland, which is located at the base of the brain. The pituitary gland is one of the body's critical endocrine glands, responsible for secreting multiple hormones that regulate various physiological functions, including growth, development, metabolism, and reproduction. Based on whether they secrete hormones, pituitary tumors can be classified into functioning pituitary adenomas and non‑functioning pituitary adenomas.

How are functioning and non‑functioning pituitary tumors treated?

Functioning pituitary adenomas are tumors that secrete hormones, including growth hormone, prolactin, thyroid‑stimulating hormone, adrenocorticotropic hormone, gonadotropins, and others. These tumors tend to grow relatively quickly and often cause a range of clinical symptoms. For example, growth hormone‑secreting adenomas can lead to gigantism or acromegaly; prolactinomas can cause galactorrhea and menstrual disorders in women; thyroid‑stimulating hormone‑secreting adenomas can result in hyperthyroidism; adrenocorticotropic hormone‑secreting adenomas can cause Cushing's syndrome; and gonadotropin‑secreting adenomas may lead to sexual dysfunction and infertility.

Non‑functioning pituitary adenomas do not secrete hormones. These tumors grow relatively slowly and often have no obvious clinical symptoms in their early stages. However, as the tumor enlarges, it may compress surrounding normal tissues, leading to symptoms such as visual impairment and headache. In addition, non‑functioning pituitary adenomas carry a certain risk of malignant transformation, so timely treatment is necessary.

To provide targeted treatment for pituitary tumors, it is first essential to determine the type and nature of the tumor.

- For functioning pituitary adenomas, the primary treatment goals are to control tumor growth and hormone secretion, thereby alleviating symptoms and improving the patient's quality of life. Specific treatment modalities include surgery, medication, and radiotherapy.  

 • - Surgery is one of the preferred treatment options for functioning adenomas. Resection of the tumor can rapidly lower hormone levels and relieve symptoms.  

 • - Medical therapy uses drugs to control tumor growth and hormone secretion, and is suitable for cases where the tumor cannot be completely resected or where the patient cannot tolerate surgery.  

 • - Radiotherapy uses radiation to destroy tumor cells and is applicable in certain different situations.

- For non‑functioning pituitary adenomas, the treatment goal is to control tumor growth and prevent further compression or damage to surrounding tissues. Since these tumors do not secrete hormones, surgery is one of the main treatment options. Complete resection can achieve cure; however, surgery carries higher risks and must be performed by an experienced surgeon. For patients whose tumors cannot be surgically removed or who experience recurrence after surgery, radiotherapy may be considered as an adjunctive treatment.

The difficulty of treating pituitary tumors varies from person to person, depending on factors such as tumor size, location, nature, and the patient's overall health. In general, functioning adenomas are relatively more challenging to treat because they grow faster and often cause a variety of clinical symptoms. Non‑functioning adenomas are relatively less difficult to treat, but they have a higher risk of malignant transformation, so timely treatment and close follow‑up are essential.

In summary, pituitary tumors are common intracranial neoplasms that can be classified as functioning or non‑functioning based on hormone secretion. Targeted treatment options include surgery, medication, and radiotherapy. The specific treatment plan should be tailored to the patient's individual circumstances and tumor characteristics. At the same time, patients should maintain a positive attitude and confidence, cooperating with the medical team's treatment and rehabilitation plan to achieve the best possible outcomes.

The above content is for informational purposes only and should not be used as medical advice. For more information about pituitary tumors and related challenging cases, please contact us or visit the official website and official WeChat public account of INC.

Note: INC International Neurosurgeons Circle’s World Advisory Neurosurgical Group (WANG) includes numerous internationally renowned professors with exceptional technical skills and extensive successful case experience, such as Professor Sebastien Froelich (France), former Chairman of the WFNS Skull Base Surgery Committee, who specializes in endoscopic endonasal skull base tumor resection. His "chopsticks" technique in endoscopic surgery not only improves resection rates but also enhances prognostic outcome