EKU Podcast: Updates in detecting cancer in primary care
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This episode of the RCGP eLearning Podcast features Dr. Thomas Round discussing cancer detection in primary care with Professor Willie Hamilton, a leading expert in primary care cancer research. The conversation covers the growing burden of cancer in the UK, with rising incidence rates—now over 300,000 new cases annually—and increasing pressure on GPs due to a static workforce and aging population. A key focus is the shift in cancer epidemiology, particularly the alarming rise in colorectal cancer among under-40s, where diagnostic delays due to low clinical suspicion significantly worsen outcomes. The podcast emphasizes the critical role of general practice, as 80–85% of cancers are diagnosed following a GP referral, underscoring the need for vigilance in symptomatic presentations. Recent changes in screening programs—such as the move to five-year cervical screening, self-testing options, and lowering the FIT threshold for bowel cancer screening—are discussed, along with the importance of not dismissing symptoms after a negative screening test. The episode also explores emerging tools like the ERIKA trial’s clinical decision support systems, the potential of multi-cancer early detection tests (MSED), and the future of self-testing and AI in primary care. Professor Hamilton stresses the irreplaceable value of GP clinical judgment, continuity of care, and safety netting, especially in complex cases like the tragic case of Jess Brady, which highlights the need for a 'three strikes' rule when patients present repeatedly with unexplained symptoms.
Over 80% of cancers are diagnosed in primary care, making GPs central to early detection.
Colorectal cancer is rising sharply in under-40s, with diagnostic delays leading to poor outcomes despite younger age.
Negative screening tests (e.g., FIT) do not rule out cancer—symptoms must always prompt re-evaluation.
New risk stratification models using FIT, FBC, age, and biomarkers will soon provide more nuanced cancer risk estimates.
The 'three strikes' rule is a practical tool for identifying patients with persistent unexplained symptoms who may need urgent review.
…and 2 more takeaways available in PodZeus
The Growing Burden of Cancer in Primary Care
“We are seeing increasing numbers of cancer patients per GP. And I think that's partly also because our GP numbers are quite static in the UK.”
Changing Epidemiology: Younger Patients and Diagnostic Delays
“The under-40s make up something like 7% of colorectal cancers nowadays. It should be easy in many ways because you're young. But the snaggings don't bear that out.”
The Critical Role of Primary Care in Cancer Diagnosis
“Approximately 80 to 85% of cancers are going to come to you and me, and therefore we have to be on our toes. There's no way around it.”
Advances in Cancer Screening Programs
Overview of recent changes in cervical and bowel cancer screening, including self-testing, reduced screening intervals, and lower FIT thresholds. The importance of GP involvement in improving uptake is highlighted.
The Limits of Screening and the Need for Symptomatic Vigilance
Discussion on the limitations of screening, including false negatives and the need to investigate symptoms even after a negative test. The importance of not attributing symptoms to comorbidities is stressed.
“I'm not being led to it here. I think there will be a place, just how big a place it is, I'm not sure. And I think the key bit is trust your judgment, trust your clinical acumen.”
“The under-40s make up something like 7% of colorectal cancers nowadays. It should be easy in many ways because you're young. But the snaggings don't bear that out.”
“All screening programmes do harm, some produce benefit.”
Host
Guest
Professor Willie Hamilton
person
Dr Thomas Round
person
FIT
other
RCGP
organization
Bowel Cancer Screening
other
Cervical Screening
other
NICE
organization
MSED
other
National Screening Committee
organization
Jess Brady
person
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