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Aim: The delivery of the Scottish Bowel Screening Programme (SBoSP) is rooted in the provision of a high quality, effective and participant-centred service. Safe and effective colonoscopy forms an integral part of the process. Additional accreditation as part of a multi-faceted programme for participating colonoscopists, as in England, does not exist in Scotland. This study aimed to describe the quality of colonoscopy in the SBoSP and compare this to the English national screening standards., Methods: Data were collected from the SBoSP between 2007 and 2014. End-points for analysis were caecal intubation, cancer, polyp and adenoma detection, and complications. Overall results were compared with 2012 published English national standards for screening and outcomes from 2006 to 2009., Results: During the study period 53 332 participants attended for colonoscopy. The colonoscopy completion rate was 95.6% overall. The mean cancer detection rate was 7.1%, the polyp detection rate was 45.7% and the adenoma detection rate was 35.5%. The overall complication rate was 0.47%., Conclusion: Colonoscopy quality in the SBoSP has exceeded the standard set for screening colonoscopy in England, despite not adopting a multi-faceted programme for screening colonoscopy. However, the overall adenoma detection rate in Scotland was 9.1% lower than that in England which has implications for colonoscopy quality and may have an impact on cancer prevention rates, a key aim of the SBoSP., (Colorectal Disease © 2018 The Association of Coloproctology of Great Britain and Ireland.)

Background: Uptake of population-based screening for colorectal cancer in Scotland is around 55 per cent. Abdominal aortic aneurysm (AAA) screening has recently been introduced for men aged 65 years and the reported uptake is 78 per cent. The aim was to determine the impact of a brief intervention on bowel screening in men who attended AAA screening, but previously failed to complete bowel screening., Methods: Men invited for AAA screening between September 2015 and March 2016 within NHS Tayside were included. Attendees who had not responded to their latest bowel screening invitation were seen by a colorectal cancer clinical nurse specialist. Reasons for not completing the faecal occult blood test (FOBT) were recorded; brief information on colorectal cancer screening was communicated, and participants were offered a further invitation to complete a FOBT. Those who responded positively were sent a further FOBT from the Scottish Bowel Screening Centre. Subsequent return of a completed FOBT within 6 months was recorded., Results: A total of 556 men were invited for AAA screening, of whom 38·1 per cent had not completed a recent FOBT. The primary reason stated for not participating was the time taken to complete the test or forgetting it (35·1 per cent). Other reasons included: lack of motivation (23·4 per cent), confusion regarding the aim of screening (16·2 per cent), disgust (19·8 per cent), fear (6·3 per cent) and other health problems (9·9 per cent). Following discussion, 81·1 per cent agreed to complete the FOBT and 49 per cent subsequently returned the test., Conclusion: A substantial proportion of previous bowel screening non-responders subsequently returned a completed FOBT following a brief intervention with a nurse specialist. Attendance at non-bowel screening appointments may provide a valuable opportunity to improve bowel screening uptake., (© 2018 BJS Society Ltd Published by John Wiley & Sons Ltd.)

Aim: Colorectal cancer patients identified with indeterminate pulmonary nodules (IPN) in the absence of other metastasis represent a clinical dilemma. This study aimed to identify characteristics that could predict which nodules truly represented a metastasis in an attempt to optimize therapy and to reduce the number of follow-up chest CT scans performed., Method: All patients with colon or rectal cancer who presented between 2004 and 2008 were analysed. Patients with IPN on staging CT were identified from a dedicated prospective database and the medical records analysed and follow up recorded. Patients with obvious metastatic disease were excluded from analysis. Association of location, number and size of the nodules and metastatic disease were the primary end-points for analysis., Results: Nine hundred and eight patients presenting with cancer of the colon or rectum were identified. Thirty-seven (4%) patients were diagnosed with IPN with no obvious metastatic disease on staging CT. At a median follow up of 23 months there were eight (21%) cases where nodules had progressed. No significant association was detected between nodule size and pulmonary metastasis. Half of the patients with four or more nodules showed progression on serial CT imaging suggestive of pulmonary metastasis (χ(2), P ≤ 0.01)., Conclusion: Colorectal cancer patients with four or more indeterminate pulmonary nodules on preoperative staging CT imaging, even in the absence of metastasis elsewhere, are likely to represent pulmonary metastatic disease. These patients should be followed up with short-term interval CT imaging to enable early detection of progression so that treatment can be tailored appropriately., (© 2011 The Authors. Colorectal Disease © 2011 The Association of Coloproctology of Great Britain and Ireland.)

The adenomatous polyposis coli gene (Apc) is mutated in most colorectal cancers. The multifunctional character of the Apc protein in the regulation of beta-catenin-mediated gene transcription and cytoskeletal proteins has been well described. An important question is how this protein affects the behaviour of cells within a tumour and how its mutational status influences the prognosis for these tumours. Here we provide an overview of the functions of Apc and examine how this information can be used in the prognosis and development of directed therapy in colorectal cancer.