Atypical presentation of spinal schistosomiasis with involvement of the cervicothoracic spine.
Benjamin Hebant, Romain Lefaucheur, Gilles Gargala
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Case in brief
A 25-year-old man with a history of residence in Eritrea and Nigeria developed progressive tetraparesis over 2 months, with sensory impairment below C6 and tetrapyramidal signs. MRI showed longitudinally extensive cord T2 hyperintensity from C6 to T11 with diffuse, nodular, heterogeneous enhancement. Cerebrospinal fluid showed pleocytosis, including 14% eosinophils, and elevated protein; testing for other infectious causes was unrevealing. PCR detected Schistosoma mansoni DNA in blood and cerebrospinal fluid, confirming spinal schistosomiasis. After praziquantel, his clinical course was favourable, and MRI at 6 months showed marked reduction of the T2 abnormality and no enhancement.
What made this case unusual
The lesion involved the cervicothoracic cord, extending from C6 to T11; follow-up MRI also documented radiological improvement after treatment.
Diagnostic / clinical pearl
In a patient with longitudinally extensive myelitis and eosinophils in cerebrospinal fluid, consider spinal schistosomiasis; PCR detection of S. mansoni DNA in blood and CSF confirmed the diagnosis in this case.