El NHS pondrá en marcha el primer análisis de sangre del mundo para detectar el cáncer
Peer reviewed by Dr Colin Tidy, MRCGPAuthored by Lawrence HigginsOriginally published 29 May 2025
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A los enfermos de cáncer de pulmón y de mama -dos de las formas más comunes de cáncer- se les ofrecerá un nuevo análisis de sangre "revolucionario", que ayudará a acelerar y personalizar su tratamiento.
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Revolutionary liquid biopsy
Around 20,000 people with lung or breast cancer will benefit from a new "liquid biopsy" test, which can give a diagnosis up to two weeks earlier than the traditional tissue biopsy. The NHS is the first healthcare system in the world to introduce this blood test.
The test takes a blood sample to look for tiny fragments of tumour DNA, with results available within 1-2 days. If you have this test, doctors can then use this information to choose a more personalised treatment to target your specific cancer. It could also help you avoid further tests and treatments.
Cutting edge testing
Professor Peter Johnson, NHS national clinical director for cancer says: “Cutting-edge genomic testing is helping us deliver more targeted and kinder care for patients, enabling some to avoid more intensive treatments such as further chemotherapy, which can have a huge impact.”
The liquid biopsy has already been tested on around 10,000 people with lung cancer as part of an NHS pilot. The NHS is now looking at how the liquid biopsy could be used for other cancers. Johnson said: “This approach has the potential to help us ‘scan’ the body in a single blood test to see where and how cancer may be developing and target it with speed and precision to help save more lives.”
Health Secretary Wes Streeting said the “incredibly exciting new test" could save countless lives.
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Síntomas del cáncer
If you are worried about having cancer visit your doctor as soon as possible – here are the symptoms you should never ignore.
Cáncer de mama
According to UK Cancer Research, breast cancer is the most common cancer in the UK with around 57,000 new breast cancer cases every year. Finding a lump in your breast is unlikely to be cancer, as there are several other possible causes, but you should always get checked out.
Symptoms to look out for include:
A lump or thickening in your breast or armpit.
A change in the size or shape of your breast.
Changes to the texture of your skin - such as dimpling, or redness.
Liquid is leaking from your nipple if you are not pregnant or breastfeeding.
Constant pain in your breast or armpit that does not go away.
Whilst breast cancer in men is rare, any lumps or changes to breast tissue or the skin on the chest need to be check out by a doctor.
Lung Cancer
There are around 49,000 new lung cancer cases in the UK every year - more than 130 every day - meaning it is the third most common cancer in the UK. Getting diagnosed and treated as soon as possible is vital to your chances of survival.
Your doctor should refer you for an urgent chest X-ray if you're over 40 and have two or more of these symptoms with no other explanation - or one of the symptoms if you are, or have been a smoker.
A cough that does not go away after 3 weeks, or gets worse.
Recurring chest infections.
Tos con sangre.
It hurts when you breath or cough.
Constantly short of breath.
Siempre me siento cansado.
Unexplained appetite or weight loss.
Patient picks for Blood tests
Pruebas e investigaciones
Cómo prepararse para un análisis de sangre
Un análisis de sangre es una de las pruebas médicas más comunes y es una buena manera de hacerse una idea de su estado general de salud, lo que ayuda a los profesionales médicos a evaluar la salud y la enfermedad. La mayoría de la gente necesitará probablemente un análisis de sangre en algún momento de su vida, por lo que es importante saber cómo prepararse.
por Andrea Downey
Pruebas e investigaciones
¿Qué es un análisis de sangre CA125?
Este folleto ha sido elaborado por Target Ovarian Cancer, en colaboración con el Royal College of General Practitioners. Target Ovarian Cancer es la organización benéfica nacional contra el cáncer de ovario que trabaja para salvar vidas y ayudar a las mujeres diagnosticadas con esta enfermedad a vivir plenamente.
by Patient clinician team
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Historia del artículo
La información de esta página ha sido revisada por médicos cualificados.
Next review due: 29 May 2028
29 May 2025 | Originally published
Autores:
Lawrence HigginsRevisado por expertos
Dr. Colin Tidy, MRCGP
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