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The Essential Cancer Screening Blood Test

By Tharb Faisl

Cancer doesn’t wait. At Marylebone Diagnostic Centre, we believe in staying ahead of disease through proactive testing and early detection. This blog covers three of the most crucial blood tests for men when it comes to cancer screening: Full Blood Count (FBC), Carcinoembryonic Antigen (CEA), and Prostate-Specific Antigen (PSA). These tests are part of our Male Onco-Screening Profile, trusted by clients from Harley Street, Mayfair, Baker Street, Kings Cross, and Paddington.

Why Early Detection Matters

Cancer is most treatable when caught early. Blood-based screening tools give you a head start, especially if you have a family history or are over 40.

Did You Know?
Nearly 1 in 8 men in the UK will be diagnosed with prostate cancer in their lifetime.

1. Full Blood Count (FBC) – The Baseline Check for Overall Health

FBC is often the first sign something is wrong. It provides insight into:

  • White blood cells (WBC): Detects infection or inflammation
  • Red blood cells & haemoglobin: Highlights anaemia or oxygen transport issues
  • Platelets: Checks blood clotting ability

FBC abnormalities can point to:

  • Leukaemia
  • Chronic inflammation
  • Nutritional deficiencies
  • Autoimmune conditions

It’s a vital first-line defence—especially when fatigue or unexplained symptoms appear.

2. Carcinoembryonic Antigen (CEA) – Spotting Tumour Markers Early

CEA is a tumour marker often elevated in:

  • Colorectal cancer
  • Pancreatic cancer
  • Gastric and lung cancers
  • Occasionally in prostate and breast cancer

Though not diagnostic alone, rising CEA levels warrant further imaging or investigation and can help monitor treatment outcomes.

Important: Elevated CEA can also be due to smoking or benign conditions. That’s why it’s crucial to interpret results with medical support at our Harley Street health centre.

3. Prostate-Specific Antigen (PSA) – Proactive Screening for Prostate Health

PSA is produced by the prostate gland. Elevated levels may suggest:

  • Prostate cancer
  • Benign prostatic hyperplasia (BPH)
  • Prostatitis (inflammation)

We offer both Total PSA and Free PSA Ratio, giving better clarity than a standalone test.

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Fast Facts:

  • Men aged 50+ or with family history should consider annual PSA tests.
  • PSA screening at Marylebone is discreet, same-day, and reviewed by expert clinicians.

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Visual Snapshot

Here’s how these three tests are utilised in early detection among men:

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Who Should Get These Tests?

You should consider this screening package if:

  • You’re over 40
  • You have unexplained fatigue, blood in stool/urine, or unintentional weight loss
  • You have a family history of cancer
  • You want a comprehensive cancer prevention plan

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What Happens After the Test?

At Marylebone Diagnostic Centre:

  • Results are available same-day or next-day
  • Reviewed by specialist doctors
  • Follow-up includes GP letters, referrals, or further diagnostics (e.g., MRI, ultrasound)

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Pricing & Booking

Cancer Screening Profile (Male)

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FAQs

Can I do this test if I’m not experiencing symptoms?
Absolutely. These are preventative screening tools and ideal for annual health checks.
Is fasting required?
No fasting needed for these tests.
How are results delivered?
Securely via email or patient portal, often same day.
Is it confidential?
100%. Your data is protected under UK data protection laws and our internal Marylebone privacy protocols.

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Book Your Screening Today

Your health is your wealth. Book your Cancer Screening Profile now through Marylebone Diagnostic Centre, serving Central London, Mayfair, Harley Street, Kings Cross, and beyond.

Marylebone Diagnostic Centre Front

Call Now: +44 7495 970109
Visit Us: 37 Baker Street, London
Book Online: marylebonediagnosticcentre.com

Read More:

NHS – Cancer Screening Overview
Cancer Research UK – Why Early Diagnosis Saves Lives
NHS – Full Blood Count (FBC)
Leukaemia Care UK – Blood Test Indicators