A 32 year old female presents with headaches, visual disturbance and fever.

• Hb 92g/L
• MCV 99fl
• Platelets 38×10⁹/l
• WCC and differential – mild neutrophilia

Questions

• Name some features of the blood film?
• What are the differential diagnosis?
• What further investigations would you want?
• What questions would you want to ask her?

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