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A photograph of a well 8-year-old girl with a left-sided Horner's syndrome at a neuro-ophthalmological examination.

A 9-year-old boy with sickle cell disease (SCD) was presented to the emergency department with acute headache and swelling over his bilateral temporoparietal region. There was no history of antecedent trauma, fever, vomiting or other features of an intercurrent illness. On arrival, his blood pressure was 112/62 mm Hg, heart rate was 98/min and his Glasgow Coma Scale score was 15/15. There was evidence of significant scalp tenderness over the bilateral temporoparietal region. A complete neurological examination including direct and consensual pupillary response was unremarkable. Initial investigations revealed haemoglobin of 9.6 g/dL, leucocyte count of 6.8/mm3, platelet count of 219/mm3 and a normal coagulation profile. His current medications included hydroxyurea and penicillin prophylaxis. He underwent an urgent CT of the head followed by MRI of the brain, which revealed abnormalities as depicted in figures 1,2 edpract;103/6/290/F1F1F1Figure 1CT head. edpract;103/6/290/F2F2F2Figure 2MRI brain. QUESTION 1: Is this one of the most common neurological presentation seen in sickle cell crisis? QUESTION 2: How common is this presentation in paediatric SCD? QUESTION 3: What is the best way to manage this child? [ABSTRACT FROM AUTHOR]

The article presents information on human parechovirus (HPeV) central nervous system infection, which is a rare cause of neonatal encephalitis. It says that HPeV belongs to the family of Picornaviridae and has different manifestation, including diarrhea, hepatitis, sepsis, meningitis and encephalitis. It adds that detection of HPeV is not regularly included in sepsis workup.