Pneumonia's link with the head and heart.

摘要

In October, 2006, a 6-year-old girl presented with a month's history of progressive right arm dystonia. Apart from the dystonia, her physical examination was normal. Baseline blood tests were normal, as was her chest radiograph. Urine, throat, and blood cultures for pathogenic bacteria and anti-streptolysin O were negative. Brain MRI showed striatal encephalitis (figure A), but CSF microscopy, culture, and PCR for Mycoplasma pneumoniae and common neurotropic viruses, were negative. Serum copper and caeruloplasmin, lactate (blood and CSF), very-long-chain fatty acids, lysosomal enzymes, acylcarnitines, aminoacids, urinary organic acids, ammonia, and lipid electrophoresis were all normal. However, serum tirres of IgG and IgM antibodies to M pneumoniae were increased and persisted for 3 months.