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What is the Difference Between PSA Diagnostic and PSA Screening

February 3, 2022Posted byDr.Samanthi

这关键区别between PSA diagnostic and PSA screening是PSA诊断是进行的血液检查以检测prostate cancer, while PSA screening is a test performed to detect symptoms of prostate cancer.

前列腺癌是男性的一种常见癌症。这前列腺是腺体that lies below the bladder in males. Early detection of prostate cancer is essential for timely treatment. PSA or prostate-specific antigen shows elevated levels during prostate cancer. PSA is a protein produced in prostate tissues. Prostate cancer cells usually divide and make more PSA than normal cells, causing a rise in PSA levels in the blood. Prostate cancer develops with age, race, family history, diet, and inheritedgene mutations。

CONTENTS

1。Overview and Key Difference
2。什么是PSA诊断
3。What is PSA Screening
4.相似性 - PSA诊断和PSA筛选
5.PSA Diagnostic vs PSA Screening in Tabular Form
6.Summary – PSA Diagnostic vs PSA Screening

什么是PSA诊断?

PSA诊断测试是检测前列腺癌的血液检查。该测试测量血液中前列腺特异性抗原的量。前列腺腺中的癌性组织和非癌组织都会产生PSA。它也存在于精液中。因此,即使少量,PSA也会在血液中循环。PSA诊断是每毫升血液的纳米图。

PSA诊断和PSA筛选 - 并排比较

Figure 01: Prostate Specific Antigen

PSA诊断测试中存在一些局限性。PSA提高因子和降低PSA的因素是常见的局限性。除癌症外,PSA水平在发炎或肿大的前列腺腺体以及随着年龄的增长等状况时也会增加。某些治疗尿液状况,高化疗剂量和肥胖症的药物和药物降低了PSA水平。PSA诊断有时可能在少数情况下显示出误导性结果。高PSA水平的存在并不总是意味着癌症,有些患者不会升高PSA水平。

PSA诊断的潜在风险是活检问题和心理影响。活检可能会导致某些患者的疼痛,出血和感染。诸如焦虑和困扰之类的心理问题也会导致癌症的存在和假阳性结果。

什么是PSA筛选?

PSA筛查是在前列腺特异性抗原存在下寻找前列腺癌的体征和症状的测试。筛查前列腺癌的目的是检测有扩散风险的癌症。该筛查测试有助于早期治疗。这降低了前列腺癌死亡的机会。前列腺筛查通常在45岁及以上的男性中进行。PSA筛查有时是通过数字直肠检查(DRE)进行的,以感觉到前列腺中的任何异常。PSA筛查早期检测到前列腺癌以进行适当的治疗。这种治疗的一些副作用是尿失禁,勃起功能障碍和肠功能障碍。

PSA Diagnostic vs PSA Screening in Tabular Form

Figure 02: Prostrate Cancer

PSA筛查是与特定的guidelines to reflect a careful balance of benefits and harmful effects that may result in side effects. The majority of men with prostate cancer follow active surveillance. Therefore, diagnosis of prostate cancer helps to make suitable decisions in maintaining sexual health. Screening also indicates the risk level in cancer, whether the patient is at a high, intermediate, or low risk.

PSA诊断和PSA筛选之间有什么相似之处?

  • 进行PSA诊断和PSA筛查以检测前列腺癌。
  • Both are detected by the presence of prostate-specific antigen.
  • 此外,这两种测试仅在男性中进行。
  • 这tests help in the early detection of cancer and are subject to treatment.
  • Furthermore, in some cases, these tests may lead to psychological effects in men.

What is the Difference Between PSA Diagnostic and PSA Screening?

PSA诊断是一种血液测试,以测量男性的PSA量,而PSA筛查是进行检测以检测前列腺癌症状的测试。因此,这是PSA诊断和PSA筛选之间的关键区别。PSA诊断测试是在显示症状的男性中进行的,即使没有症状,也可以进行PSA筛查。此外,PSA诊断是前列腺癌的直接检测方法,而PSA筛查是对病情严重程度的测量。

以下信息图显示了PSA诊断和PSA筛选以表格形式进行比较的差异。

Summary – PSA Diagnostic vs PSA Screening

前列腺癌是男性的一种常见癌症。PSA诊断测试是检测前列腺癌的血液检查。PSA筛查测试是在前列腺特异性抗原存在下寻找前列腺癌的体征和症状的测试。因此,这是PSA诊断和PSA筛选之间的关键区别。PSA诊断测量血液中前列腺特异性抗原的量。PSA筛查前列腺癌的目的是检测前列腺癌的风险水平和扩散风险,并尽早发现它们进行特殊治疗。

参考:

1。“Prostate Cancer Screening: Should You Get a PSA Test?”梅奥诊所,梅奥医学教育和研究基金会。
2.“”PSA测试。”梅奥诊所,梅奥医学教育和研究基金会。

图片提供:

1。“PSA-sandwich 3QUM” By E A S – Own work(CC BY-SA 3.0)via Commons Wikimedia
2.“”图表显示前列腺癌在尿道CRUK上施加压力182” By Cancer Research UK – Original email from CRUK(CC BY-SA 4.0)via Commons Wikimedia

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关于作者:Dr.Samanthi

Dr.Samanthi Udayangani holds a B.Sc. Degree in Plant Science, M.Sc. in Molecular and Applied Microbiology, and PhD in Applied Microbiology. Her research interests include Bio-fertilizers, Plant-Microbe Interactions, Molecular Microbiology, Soil Fungi, and Fungal Ecology.

Comments

  1. James McCormacksays

    2022年5月2日晚上8:54

    Using the same blood sample, would PSA Screen give the same score as PSA Diagnostic???

    Reply

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