癌症,这个听起来就让人心头一紧的词,仿佛自带“恐怖片BGM”,但别慌!现代医学的进步让我们有了许多“武器”来对付它,我们就来聊聊那些让你从“疑神疑鬼”变成“心中有数”的癌症筛查检查。
1.血液检查:抽一管血,看看“内鬼”藏哪儿
血液检查是癌症筛查的“入门级”项目,通过检测血液中的肿瘤标志物,医生可以初步判断是否存在某些癌症的风险,PSA(前列腺特异性抗原)可以帮助筛查前列腺癌,CA-125则常用于卵巢癌的筛查。
不过,血液检查也有它的“小脾气”,肿瘤标志物升高并不一定意味着癌症,也可能是炎症或其他疾病,别一看到结果就慌得不行,先听听医生怎么说。
2.影像学检查:给身体拍个“写真”
影像学检查就像是给身体拍“写真”,通过各种“镜头”来捕捉癌症的蛛丝马迹。
X光检查:这是最基础的“镜头”,常用于筛查肺癌,不过,X光的分辨率有限,有时候会漏掉一些“小坏蛋”。
CT扫描:CT就像是X光的“升级版”,可以更清晰地看到身体内部的情况,它常用于筛查肺癌、肝癌等。
MRI(磁共振成像):MRI的“镜头”更高级,特别适合检查软组织,比如脑部、脊柱和盆腔的肿瘤。
超声波检查:超声波检查无辐射,常用于筛查乳腺癌、甲状腺癌等,它就像是给身体做“B超”,看看有没有“不速之客”。
3.内窥镜检查:直接“潜入”敌营
内窥镜检查就像是“特工潜入”,医生通过一根细长的管子,直接进入身体内部查看情况。
胃镜:用于筛查食管癌、胃癌等,虽然过程有点“酸爽”,但为了健康,忍一忍吧!
肠镜:用于筛查结直肠癌,虽然准备工作有点“麻烦”,但为了早发现早治疗,这点“麻烦”算什么呢?
支气管镜:用于筛查肺癌,通过支气管镜,医生可以直接看到肺部的情况,揪出那些“潜伏”的癌细胞。
4.细胞学检查:看看“细胞”在搞什么鬼
细胞学检查是通过采集身体表面的细胞或体液,来检测是否存在癌细胞。
宫颈涂片(Pap smear):这是筛查宫颈癌的“金标准”,通过采集宫颈细胞,医生可以早期发现宫颈癌前病变。
痰液检查:用于筛查肺癌,通过检查痰液中的细胞,医生可以判断是否存在癌细胞。
5.基因检测:看看“家族遗传”有没有“搞事情”
基因检测是通过分析DNA,来评估个体患癌的风险,特别是对于那些有家族癌症史的人来说,基因检测可以帮助他们了解自己是否携带某些致癌基因突变。
BRCA1/BRCA2基因检测:这两个基因突变与乳腺癌和卵巢癌密切相关,安吉丽娜·朱莉就是因为携带BRCA1基因突变,选择了预防性乳腺切除术。
**活检:最后的“审判”
如果以上检查都提示可能存在癌症,那么活检就是最后的“审判”,通过取出一小块组织,医生可以在显微镜下直接观察是否存在癌细胞。
穿刺活检:通过细针穿刺,取出可疑组织进行检查。
手术活检:通过手术切除部分或全部可疑组织进行检查。
**PET-CT:全身“扫描”
PET-CT是一种高级的影像学检查,可以全身“扫描”,发现那些“潜伏”在身体各处的癌细胞,它常用于癌症的分期和复发监测。
8.粪便潜血试验:看看“便便”有没有“藏猫腻”
粪便潜血试验是筛查结直肠癌的常用方法,通过检测粪便中是否含有血液,可以初步判断是否存在肠道肿瘤。
9.乳腺X线摄影( mammography):给乳房拍个“写真”
乳腺X线摄影是筛查乳腺癌的“金标准”,通过X光检查,医生可以发现乳房中的微小钙化灶,早期发现乳腺癌。
10.皮肤检查:看看“皮肤”有没有“变色”
皮肤检查是筛查皮肤癌的常用方法,医生通过观察皮肤上的痣、斑块等,判断是否存在皮肤癌的风险。
英文翻译:
Title: The Great Cancer Screening Adventure: From "Paranoid" to "Informed"
Cancer, a word that sends shivers down the spine, seems to come with its own "horror movie soundtrack." But don't panic! Advances in modern medicine have given us many "weapons" to combat it. Today, we'll talk about those cancer screening tests that can turn you from "paranoid" to "informed."
1.Blood Tests: Draw a Tube of Blood, See Where the "Traitor" Hides
Blood tests are the "entry-level" project for cancer screening. By detecting tumor markers in the blood, doctors can preliminarily assess the risk of certain cancers. For example, PSA (Prostate-Specific Antigen) helps screen for prostate cancer, while CA-125 is commonly used for ovarian cancer screening.
However, blood tests have their "quirks." Elevated tumor markers don't necessarily mean cancer; they could also indicate inflammation or other diseases. So, don't panic at the results—listen to what the doctor says first.
2.Imaging Tests: Take a "Portrait" of the Body
Imaging tests are like taking a "portrait" of the body, using various "lenses" to capture the traces of cancer.
X-ray: This is the most basic "lens," often used to screen for lung cancer. However, X-rays have limited resolution and can sometimes miss some "little troublemakers."
CT Scan: CT is like an "upgraded version" of X-rays, providing a clearer view of the body's interior. It's commonly used to screen for lung cancer, liver cancer, etc.
MRI (Magnetic Resonance Imaging): MRI's "lens" is more advanced, especially suitable for examining soft tissues like the brain, spine, and pelvic tumors.
Ultrasound: Ultrasound is radiation-free and often used to screen for breast cancer, thyroid cancer, etc. It's like giving the body an "ultrasound" to see if there are any "uninvited guests."
3.Endoscopy: Directly "Infiltrate" the Enemy Camp
Endoscopy is like a "spy infiltration," where doctors use a thin, long tube to directly enter the body and inspect the situation.
Gastroscopy: Used to screen for esophageal cancer, stomach cancer, etc. Although the process is a bit "uncomfortable," it's worth it for your health!
Colonoscopy: Used to screen for colorectal cancer. Although the preparation is a bit "troublesome," it's nothing compared to early detection and treatment.
Bronchoscopy: Used to screen for lung cancer. Through bronchoscopy, doctors can directly see the condition of the lungs and catch those "lurking" cancer cells.
4.Cytology Tests: See What the "Cells" Are Up To
Cytology tests involve collecting cells or body fluids from the surface to detect the presence of cancer cells.
Pap Smear: This is the "gold standard" for cervical cancer screening. By collecting cervical cells, doctors can detect precancerous lesions early.
Sputum Test: Used to screen for lung cancer. By examining cells in the sputum, doctors can determine if cancer cells are present.
5.Genetic Testing: See if "Family History" Is "Causing Trouble"
Genetic testing analyzes DNA to assess an individual's risk of developing cancer. Especially for those with a family history of cancer, genetic testing can help them understand if they carry certain cancer-causing gene mutations.
BRCA1/BRCA2 Genetic Testing: These gene mutations are closely related to breast and ovarian cancer. Angelina Jolie chose a preventive mastectomy because she carried the BRCA1 gene mutation.
6.Biopsy: The Final "Judgment"
If the above tests suggest the possibility of cancer, a biopsy is the final "judgment." By taking a small piece of tissue, doctors can directly observe under a microscope if cancer cells are present.
Needle Biopsy: A fine needle is used to extract suspicious tissue for examination.
Surgical Biopsy: Part or all of the suspicious tissue is removed through surgery for examination.
7.PET-CT: Full-body "Scan"
PET-CT is an advanced imaging test that can "scan" the entire body, detecting cancer cells "lurking" in various parts. It's commonly used for cancer staging and recurrence monitoring.
8.Fecal Occult Blood Test: See if "Stool" Is "Hiding Something"
The fecal occult blood test is a common method for screening colorectal cancer. By detecting blood in the stool, it can preliminarily assess the presence of intestinal tumors.
9.Mammography: Take a "Portrait" of the Breasts
Mammography is the "gold standard" for breast cancer screening. Through X-ray examination, doctors can detect tiny calcifications in the breasts, enabling early detection of breast cancer.
10.Skin Examination: See if the "Skin" Has "Changed Color"
Skin examination is a common method for screening skin cancer. By observing moles, patches, etc., on the skin, doctors can assess the risk of skin cancer.
In conclusion, cancer screening is a powerful tool in our fight against cancer. By understanding and utilizing these tests, we can move from a state of uncertainty to one of informed awareness, empowering ourselves to take proactive steps in our health journey.