A systematic review published in Psycho-Oncology suggests that people diagnosed with cancer through routine screening may experience more short-term psychological distress compared to other diagnostic routes.
While these psychological effects dissipated over time, researchers say it’s important to pay attention to emotional outcomes surrounding cancer screening to better inform early detection programs.
Researchers reviewed 33 papers from 31 studies across major cancer screening programs, including breast, prostate, colorectal, lung, cervical and ovarian cancer. They compared psychological outcomes, including anxiety, distress and quality of life, in people whose cancers were detected through screening with those diagnosed after symptoms appeared or other pathways.
Overall, the review found that people diagnosed through screening may experience small to moderate increases in anxiety or emotional distress in the short term, particularly around diagnosis.
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However, when researchers directly compared people with screen-detected cancer to those diagnosed after symptoms appeared, most studies found no major differences in long-term psychological wellbeing. In some cases, individuals with screen-detected cancers even reported slightly better emotional outcomes, possibly because earlier detection can offer more treatment options and a greater sense of control.
The authors emphasized that the psychological effects of screening are complex. Screening can save lives by catching cancer early, but it can also bring uncertainty and fear. They note that the study results underscore the need to balance the benefits and potential harms of screening programs, particularly psychological impacts which are less frequently considered.
The study also highlights gaps in research, noting that studies varied widely in design, cancer type and how psychological outcomes were measured. The authors call for more consistent research methods and longer-term follow-up to better understand how screening influences mental health and quality of life.
“Future work should consider how best to support patients across the pathway from receiving a screening result to a cancer diagnosis and treatment, and should take into account the impact that their route to diagnosis may have had,” they concluded.
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