Spectrophotometry of cerebrospinal fluid for xanthochromia is a sensitive and specific test for subarachnoid bleeding but adds little to computed tomography.
Analysis of cerebrospinal fluid for xanthochromia versus modern computed tomography scanners in the diagnosis of subarachnoid haemorrhage: experience at a tertiary trauma referral centre.
Goyale A, O'Shea J, Marsden J, Keep J, Vincent RP.
Ann Clin Biochem. 2016 Jan;53(Pt 1):150-4. doi: 10.1177/0004563215579454. Epub 2015 Mar 12.
PMID:25766384
Comments on: Analysis of cerebrospinal fluid for xanthochromia versus modern computed tomography scanners in the diagnosis of subarachnoid haemorrhage: experience at a tertiary trauma referral centre.
Ahmed F, Gibbons S.
Ann Clin Biochem. 2016 Sep;53(Pt 5):622-3. doi: 10.1177/0004563216629492. Epub 2016 Mar 9.