A 30-year-old Polish man was admitted to hospital with confusion and aggressive
behaviour. The history was obtained from friends.He had been unwell for
the previous 5 days with fever and headache and over the 2 days prior to
admission had suffered several episodes of vomiting and complained of a stiff
neck. He had been working in the UK as a labourer for the preceding year and
had not left the UK during that period. His wife had remained in Poland.
None of his friends or workmates had been unwell. He had had one or two
brief sexual relationships since his arrival in the UK. There was no past medical
history.
On examination, he was uncooperative, agitated and aggressive with
confused speech, according to his friends. The temperature was elevated
at 37.9°C but general systems examination was otherwise unremarkable.
There was neck stiffness and mild photophobia but no focal neurological
abnormality.
Investigations showed:
● Hb 15g/dL,WCC 8.2 × 109/L, plt 211 × 109/L
● Na 133mmol/L, K 3.2mm/L, urea 6.0mmol/L and Cr 130μmol/L.
● CRP 22mg/L
● CXR: normal
● CT brain: normal
● LP: CSF opening pressure 32cm H2O, colourless appearance,
WCC 488/mm3 (64 polymorphs, 424 lymphocytes, 46 red blood
cells), protein 2.04g/L, glucose 1.1mmol/L (5.5mmol/L blood),
no organisms seen on gram stain, AFB stain negative, Indian ink stain
negative.
Initial treatment was with ceftriaxone and aciclovir. The day after admission
he was more settled but developed a complete left ptosis with a fixed and
dilated pupil and inability to adduct, elevate or abduct the left eye. His condition
was otherwise unchanged.
Further investigations showed:
● CT brain with contrast: normal.
● Repeat LP: 770 white cells/mm3 (70 polymorphs, 700 lymphocytes and
30 red blood cells).