B-cell marker (D8/17)

Leonard et al.

PANDAS: 23/27 positive (85%)

Sydenham’s: 8/9 positive (89%)

Controls: 5/24 positive (21%)

N Ryan’s annotation: Those with this particular B-cell marker are thought to be at greater risk to develop CNS sequellae after a streptococcal infection (more likely to develop autoimmune antibodies)

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