A 4-week-old female newborn developed ascending flaccid paralysis and radio
logic evidence of myelitis; the diagnosis of congenital toxoplasmosis was c
onfirmed by the presence of Toxoplasma gondii-specific immunoglobulins in b
oth mother and infant, and detection of Toxoplasma sequences in the infant'
s cerebrospinal fluid by polymerase chain reaction analysis. Treatment with
pyrimethamine, sulfadiazine, and methylprednisolone resulted in improvemen
t.