Too Sleepy to Look Up

neuro ophthalmology
Patient Demographics
Age: 22 years
Gender: Female
History of Presenting Complaint

Headaches, followed by sudden onset of sleepiness and increasing difficulty to rouse, prompting emergency assessment and neuro-imaging.

Past Medical History
  • No significant past medical history reported
Examination Findings

Visual Acuity

OD: 6/6. OS: 6/6 (gross assessment; formal testing limited by reduced conscious level)

Pupils

No pupillary response to light, but intact near reaction (light-near dissociation)

Extraocular Movements

No upgaze; convergence-retraction nystagmus on attempted upward gaze

Anterior Segment

Lids: bilateral eyelid retraction noted on clinical photography (Collier's sign)

Posterior Segment

Level of consciousness: GCS 13/15 (E3 V4 M6) — drowsy, rousable to voice, mildly confused

Which investigations would you choose?
Try to decide before revealing the results. You have 2 attempts.
Urgent CT brain
Serum and CSF tumour markers (AFP, beta-hCG)
MRI brain with contrast
Histopathology of the resected lesion
Overnight polysomnography

0 of 4 investigations selected

Investigations (Locked)
Complete the investigation selection question above to unlock the full investigation results.
Diagnosis (Locked)
Complete the quiz to reveal the diagnosis.
Management Plan (Locked)
Complete the quiz to reveal the management plan.
Ready to Test Your Knowledge?
Take the interactive quiz for this case to reinforce your learning.

Multiple choice & true/false