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Tag Archives: Xanthochromia

Subarachnoid Haemorrhage

Subarachnoid haemorrhages are where there is an extravasation of blood into the space between the arachnoid and pia. Subarachnoid haemorrhages often develop as a result of rupture of a cerebral aneurysm (most often arising from the circle of Willis or the middle cerebral artery bifurcation) or consequent ...

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Indications of a Lumbar Puncture

A lumbar puncture (LP, also known as a spinal tap) is a diagnostic and at times, therapeutic medical procedure. Diagnostic indications The main diagnostic indications of performing a LP is for collection and evaluation of cerebrospinal fluid (CSF) for diagnosis and exclusion of infectious, inflammatory ...

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Normal and Abnormal Cerebrospinal Fluid

Normal Cerebrospinal Fluid The photos shown here is that of normal cerebrospinal fluid after a lumbar puncture. Normal cerebrospinal fluid is colourless and odorless. Xanthochromia The cerebrospinal fluid here shows xanthochromia (Figure 1), meaning of yellow discolorization. Presence of xanthrochromia means that there is presence of ...

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