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Pituitary gland tumors are very common in the canine. A productive form arising from the anterior pituitary is the primary cause of Cushing's disease of dogs. This tumor causes excessive production of cortisol from the adrenal cortex which leads to the classic signs of alopecia (hair loss), polyuria (excessive urination), polydipsia (excessive water drinking), and a pot-bellied appearance of ...
Stereotactic radiation therapy is used to treat brain tumors and other brain disorders. It is also being studied in the treatment of other types of cancer, such as lung cancer. What differentiates Stereotactic from conventional radiotherapy is the precision with which it is delivered.
The survival time may be longer in large dogs, and the cure rate is 20%. If a tumor is completely removed, usually the pet will receive small doses of radiation in hopes of preventing recurrence. The survival rates are: 1 year: 59%, 3 year: 40%, 5 year: 13%. [14]
Stereotactic radiosurgery provides an efficient, safe, and minimal invasive treatment alternative [15] for patients diagnosed with malignant, benign and functional indications in the brain and spine, including but not limited to both primary and secondary tumors. [16] Stereotactic radiosurgery is a well-described management option for most ...
Each individual beam is of relatively low intensity, so the radiation has little effect on intervening brain tissue and is concentrated only at the tumor itself. Gamma Knife radiosurgery has proven effective for patients with benign or malignant brain tumors up to 4 cm (1.6 in) in size, vascular malformations such as an arteriovenous ...
During treatment, the image guidance system captures 3D images, tracks the movement of tumors, and guides the robotic arm to accurately aim the treatment beam at the moving tumor. [ 2 ] The system is designed for stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT).
WBRT may be administered in combination with stereotactic radiosurgery (SRS), surgery, or systemic therapies. [1] While these can improve survival for some patients with single brain metastasis, a 2021 systematic review of the literature found inconsistent results for overall survival. [1]
Metastasis is the most common cause of brain cancer, as primary tumors that originate in the brain are less common. [4] The most common sites of primary cancer which metastasize to the brain are lung, breast, colon, kidney, and skin cancer. Brain metastases can occur months or even years after the original or primary cancer is treated.