CANCER Research UK is calling for measures to improve referrals in childhood cancer after research shows that diagnosis of Wilms’ tumours in UK children lags behind that in Germany.
Researchers reporting in the journal Archives of Disease in Childhood compared statistics for more than 1,500 children diagnosed with Wilms’ tumour (the most common kidney cancer in children) and treated in the UK and Germany between 2002 and 2011. This included 616 children in the UK and 951 in Germany. Hospital and GP records were also examined to see how Wilms’ tumours were detected in 360 children from Great Ormond Street Hospital, the Royal Marsden Hospital and the Royal Victoria Infirmary, Newcastle.
They found that Wilms’ tumours diagnosed in the UK were one and a half times bigger than those diagnosed in Germany. Over half of children in the UK (58 per cent) and three-quarters of German children (73 per cent) were diagnosed with early stage tumours, but in the UK almost twice as many children were diagnosed at a late stage (42 per cent compared with 27 per cent).
The researchers suggest that children in the UK are diagnosed later as a result of the different childhood healthcare systems in both countries. In the UK, GPs are the first port of call if a parent is concerned about their child and there are few routine medical checks after a child reaches six weeks old. A child displaying symptoms of Wilms’ tumour will be referred quickly by a GP to a hospital paediatrician.
In Germany, children are looked after by paediatricians who work in the community and there are many more routine health checks in early childhood. The researchers suggest that because German children are more likely to receive full examinations by paediatricians they are more likely to have their Wilms’ tumour picked up at an early stage.
The Cancer Research UK-funded study involved researchers from University College London (UCL), Newcastle University, Great Ormond Street Hospital for Children, the Netherlands Cancer Institute and University Hospital Homburg, Germany.
Professor Kathy Pritchard-Jones, study author from UCL, Great Ormond Street Hospital for Children and cancer programme director at UCLPartners, said: "Our study shows that the UK is diagnosing children with Wilms’ tumours at a later, more advanced stage than our German counterparts. Finding cancers at an early stage means that treatment is more likely to be successful and have fewer side effects, but the way the UK health system looks after children means we’re missing chances for earlier detection.
"This could affect children’s health not just in cancer but across the board. We need further consideration of how paediatric expertise in primary care for children can be strengthened and further research to see if we could be giving more children a better chance."
Professor Pamela Kearns, Cancer Research UK’s children’s cancers expert, said: "On average a GP will only see one new case of cancer in a young person every 12 years or more. It’s crucial that there’s better awareness of children’s cancers in the community and that suspected cases are referred quickly so they can be diagnosed and treated as soon as possible – ideally tumours need to be picked up at an earlier stage to avoid side effects of more complicated treatments.
"Many children who survive cancer will live with the long-term side effects of their treatment that can have an impact throughout their adult lives, so it’s vital that we find ways to diagnose and treat sooner as well as finding kinder and even more effective treatments."
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