because myelography of the spinal cord is often non-contributory in schistosomal involvement , it is suggested that patients with 'myelopathy of unknown origin ' who come from an endemic area be given a therapeutic trial of praziquantel , especially if the serological findings are positive for schistosomiasis and the lower cord is involved .
C0032911
praziquantel
C0036323
schistosomiasis