Biopsy for 乳腺癌 Diagnosis: Stereotactic Core Biopsy
Stereotactic core biopsy was developed as an alternative to 手术活检. It is a less invasive way to obtain the tissue samples needed for diagnosis. This procedure requires less recovery time than does a 手术活检, and there is no significant scarring to the breast.
你的十大赌博平台排行榜, the radiologist and you may consider this type of biopsy when there is an abnormality found on a 乳房x光检查 那是感觉不到的. The radiologist can make a judgment about whether the procedure is technically feasible and your doctor may recommend it in your particular situation.
谁进行立体定向核活检?
The stereotactic core biopsy will be performed by a radiologist with help from a radiologic (x射线) technologist. 在你到达之前, the physician will have studied your 乳房x光检查 to become familiar with the location of the abnormality.
手术过程中会发生什么?
After checking in, you will be asked to change into a hospital gown and escorted to the biopsy room. The technologist will ask you to lie face down on the special examination table, making sure you are as comfortable as possible. Your breast will be positioned through a special round opening in the table. The table will then be elevated so the doctor and technologist can work from below.
步骤一:发现异常组织
The first part of the procedure will seem much like your 乳房x光检查, except that you are lying down instead of standing up. Your breast will be compressed with a compression paddle, just as it was during your 乳房x光检查. 一个确认 x射线 will be taken to ensure that the area of the breast containing the lesion is correctly centered in the paddle window.
When the position is confirmed, two stereo x射线s will be taken. They are called stereo images because they are images of the same area from different angles. 借助电脑, the exact positioning of the biopsy needle is determined from these stereo images.
第二步:对异常组织进行活检
使用这些信息, the doctor will then position the device which holds the biopsy needle for the correct angle of entry. Next, the doctor will numb the biopsy area by injecting a local anesthetic into your breast. This will be done with a very tiny needle and you may feel a slight sting in your breast at the injection site.
After the local anesthetic has taken effect, the physician will insert the biopsy needle into your breast. Another set of stereo x射线s will then be taken to ensure proper needle placement. 一旦位置确定, the physician will tell you to hold very still while the tissue samples are acquired.
When the physician has retrieved all the samples, the compression paddle will be released from your breast. The nurse or technologist will then apply pressure to the biopsy site for five to ten minutes to prevent bleeding. Afterwards, a dressing will be applied which you will wear home.
我什么时候能知道活检结果?
The pathology results are available in less than one week of your biopsy. 你的十大赌博平台排行榜 or nurse will inform you of the results immediately when they are available.
加州大学旧金山分校健康 medical specialists have reviewed this information. It is for educational purposes only and 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.