Cerebrospinal fluid Xanthochromia , (CSF)
- Cerebrospinal fluid.
- To assess the presence of protein in the C S F.
- The normal color of the C S F is clear and colorless.
- The color appearance depends upon the presence of hyperbilirubinemia, hypercarotenemia, melanoma and elevated protein level.
- A cloudy appearance indicates an increased number of WBC or protein.
- Red tinge indicates blood that may be due to hemorrhage in the subarachnoid space or due to a traumatic tap.
- Due to traumatic tap, blood may form clots while this will not occur in the subarachnoid bleeding.
- In traumatic tap successive tubes become clear of blood.
- Xanthochromia is usually referred to as a yellow tinge.
How to check xanthochromia
- The easiest way is that centrifuge the CSF and sees against the white background.
Xanthochromia when positive in the CSF indicates a raised the level of protein.
Please see more details in C S F fluid analysis.