The Bourne test is a non-invasive and inexpensive diagnostic test for the diagnosis of vesicointestinal fistulae.[1] It has a detection rate of up to 90% for colovesical fistulae. However, it does not provide information on the fistula location and type.

Bourne test
Medical diagnostics
Purposediagnostic test for the diagnosis of vesicointestinal fistulae


The patient is given a barium enema, after which a urine sample is taken. The sample is then centrifuged and compared radiologically to a control. Either a precipitate of barium or evidence of radiopacity indicates a fistula.[1]


  1. ^ a b Amendola, MA; Agha, FP; Dent, TL; Amendola, BE; Shirazi, KK (Apr 1984). "Detection of occult colovesical fistula by the Bourne test". AJR. American Journal of Roentgenology. 142 (4): 715–8. doi:10.2214/ajr.142.4.715. PMID 6608228.