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The National Institute for Health and Clinical Excellence (NICE) publish guidelines to facilitate the referral of patients with suspected malignancies, including CNS tumours, from primary care to the appropriate hospital services. We aimed to assess the impact and utility of the most recently revised guidelines, published in 2015, on our neurosurgical service. We performed a retrospective analysis of the 2-week wait (2WW) referrals received by the neurosurgery department at our institution over a 3 and a half year period between 2015 and 2019. Details pertaining to the patient’s clinical condition and ultimate diagnosis were collected from their medical records and assessed to determine whether the referral criteria were fulfilled. Referrals for 101 patients were received over the study period (mean 29/year). Of these, 82 patients (81.2%) were referred based on symptoms, whilst 19 patients (18.8%) were referred with an abnormal brain scan. Seventy-five referrals (74%) were deemed compliant with the guideline criteria. The sensitivity and specificity of the updated guidelines was 90% (73–98%, 95% CI) and 32.4% (22–45%, 95% CI) respectively. The commonest reason for a non-compliant referral, in 21 cases (81%), was headache disorder without neurological deficit. Overall, 30 patients (30%) referred via the 2WW rule were found to have a brain tumour. With guideline adherence, the brain tumour detection rate was 3-fold higher (36.0% vs 11.5%,  p  = 0.02). An update to the NICE guidelines has coincided with an increase in the number of 2WW referrals received by our department, an increase in guideline compliant referrals and an improved rate of tumour detection, though a significant proportion of patients referred via this route ultimately do not require the services of a neurosurgeon. Greater provision of urgent imaging for general practitioners, in accordance with the current NICE guidelines, may reduce unnecessary neurosurgery consultations.

Impact of the updated NICE referral pathway for patients with suspected brain cancer on a neuroscience service