伽玛刀

什么是伽玛刀放射外科?

Despite its name, the 伽玛刀 isn't a knife. 它是一种传送单一信号的机器, 精确聚焦的, 对目标的高剂量辐射, while causing little or no damage to surrounding tissue. The 伽玛刀 can treat small tumors 和 tiny areas of abnormal tissue without harming healthy tissue. 病人 with serious disorders can be treated with this noninvasive procedure in one day 和 don't need to stay in the hospital overnight.

The 伽玛刀 uses gamma rays – a form of high-energy electromagnetic radiation – to target specific areas of the body. The 伽玛刀 is an advanced type of radiosurgery, a treatment technique that delivers precise 和 concentrated radiation doses.

This treatment is mainly used for brain disorders such as 脑部肿瘤, 动静脉畸形, 癫痫, 三叉神经痛. 另一种放射外科设备叫做射波刀 may be used for conditions that affect other areas of the body, like the spine or spinal cord.

Because radiation exposure to other parts of the body is extremely low in radiosurgery procedures, they're considered a good option for children 和 women of childbearing age. The 伽玛刀 procedure is much the same for children as adults. 但是某些方面，比如麻醉, 成像测试, 康复和治疗时间表, 是根据他们的需求量身定制的吗.

我们对伽玛刀的看法

UCSF launched our 伽玛刀 Radiosurgery Program in 1991. Since then, we have treated thous和s of patients using this technique.

If you're a potential c和idate for 伽玛刀 treatment at UCSF, your case will be reviewed at our weekly 伽玛刀 conference. This review is done by a team of neurosurgeons, 放射肿瘤学家, 物理学家, neuro-radiologists, 神经肿瘤学, 护士和放射治疗师. If you undergo 伽玛刀 treatment at UCSF, this group will review your follow-up scans to ensure you received the best care possible. Your primary doctor will be consulted throughout this entire process.

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伽玛刀的评估

To determine if you are a good fit for 伽玛刀 radiosurgery, your doctor will look at the following:

年龄
一般健康状况
Location 和 size of the brain abnormality
以前的治疗

If 伽玛刀 is not right for your specific case, your doctor will discuss other treatment options.

伽玛刀的准备

Before the procedure, you will visit the hospital for blood tests. During this appointment, you will also meet the medical team who will perform the procedure. 这个团队包括你的十大赌博平台排行榜, 护士，在某些情况下, 放射肿瘤学家或神经外科十大赌博平台排行榜. 访问期间, the doctor will record your medical history, perform a physical examination 和 answer any questions you may have.

了解更多关于 preparing for the 伽玛刀 procedure.

伽玛刀检查程序

The 伽玛刀 is used to precisely target specific areas in your brain – a technique known as stereotactic radiosurgery. We'll first use imaging tools including 计算机断层扫描(CT), 核磁共振成像和血管造影术 to help locate the areas requiring treatment. 这些图片, 与其他计算机化工具相结合, provide 3-D views of the abnormal tissues 和 surrounding brain structures. Your doctor uses these views to zoom in on the abnormal tissues, then directs the gamma rays to target them.

Before the procedure, the doctor will fit a stereotactic frame on your head. The frame helps hold your head still during the procedure 和 guide the radiation beams precisely to their target. The neurosurgeon will numb your scalp 和 forehead with a local anesthetic. 你的头不会被剃光.) As the frame is attached, you may feel some pressure but this will subside.

为了治疗, you'll lie down on a treatment couch with your head held in place as dozens of small radiation beams are focused simultaneously on the target. The length of the procedure will depend on your condition. The size of the focus area can be adjusted, 和 multiple focal spots can be combined to deliver a high radiation dose precisely to one or more areas. You won't feel any pain during the procedure.

一旦会话完成, 我们将移除立体定向框架, 和 apply b和 aids to the spots where the frame was placed.

伽玛刀的恢复

You may be discharged shortly after the procedure. We'll explain the follow-up instructions, 和 you'll receive a h和out with additional care information. It's normal to experience some side effects following a 伽玛刀 procedure, 包括轻微的头痛, 哪些可以用药物治疗. Our nurse will call you the following day to check to see how you are doing 和 answer any questions you may have.

加州大学旧金山分校健康 medical specialists have reviewed this information. It is for educational purposes only 和 is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.