BS presented with reduced glomerular filtration rate; he had mild renal hypoplasia and a small left kidney. The tyoical TBS triad was not present however he had bilateral sensorineural hearing loss since the age of 8 and episodes of recurrent central abdominal pain with diarrhoea on ingestion of potatoes. Additionally he was hypertensive since 2011 and like his siblings suffered with mood difficulties. BS had severe anxiety since 2012 (aged 20) with auditory hallucinations and as a result is housebound.