Which of the following is the diagnostic test for pancreatic insufficiency?: (A) Schilling test, (B) Serum lipase, (C) Serum amylase, (D) Faecal fat estimation
Answer is D. The gold standard test is an estimation of fecal fat. Serum amylase and lipase are elevated during acute attacks. Schilling test is done for cobalamine malabsorption.Ref: Harrison; 19th edition; Page no: 1938