Astrocytoma: Q&A
1. What are the early symptoms of astrocytoma?
Symptoms of astrocytoma vary depending on tumor location.Cerebral astrocytomas can cause headaches, seizures, hemiplegia, sensory abnormalities, visual changes, and cognitive impairment.
2. What is the difference between astrocytoma and glioblastoma?
Glioblastoma is a Grade IV astrocytoma and represents the highest grade of malignancy.Low-grade astrocytomas grow slowly and have relatively well-defined boundaries, whereas high-grade astrocytomas grow rapidly.
3. What are the surgical treatment methods for astrocytoma?
For low-grade astrocytomas, gross total resection should be attempted if the tumor location permits.For high-grade astrocytomas, maximal safe resection is performed.
4. What is minimally invasive treatment for astrocytoma?
Stereotactic biopsy is suitable for tumors located deep within the brain or in functional areas; tissue is obtained through a small incision for definitive diagnosis.Stereotactic radiotherapy is suitable for small, well-defined lesions.
5. What is the adjuvant therapy following astrocytoma surgery?
Postoperative treatment for high-grade astrocytoma requires radiotherapy combined with temozolomide chemotherapy.For low-grade astrocytoma, the need for postoperative radiotherapy is determined based on risk factors.
6. How are symptoms managed after surgery for astrocytoma?
Antiepileptic drugs are commonly used post-surgery to prevent seizures; medication must be taken regularly, and patients should not discontinue use on their own.Glucocorticoids can help alleviate cerebral edema and relieve headaches.
7. How is follow-up conducted after astrocytoma treatment?
Undergo regular post-operative MRI follow-ups: every 3–6 months for low-grade tumors, and more frequently for high-grade tumors.Watch for new symptoms such as headaches, seizures, or limb weakness.
