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Dear colleagues, We have a 25 yr old female patient who is said to be "fat intolerant". Routine biochemistry and haematology are unremarkable. On 2 separate occasions (about 6 months apart) we have done pancreolauryl tests and got 10.3 and 2.3 % (pancreatic insufficiency suggested if <20%) and at the same times faecal elastase was >500 and 385 ug/g respectively (pancreatic insufficiency suggested if <200). I am confidant that the pancreolauryl tests have been done correctly (and the urine volumes are in typical ranges). So the question is - why the discrepancy between the two tests? I would be grateful for any comments/suggestions. Happy New Year to you all. Ian Barlow Scunthorpe UK ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/