USMLE Forum Archives - USMLE Step 3 - infections
infections
conym5 - 07-12-09 18:22
A 28-year-old man who has recently immigrated from Brazil presents
with 3 months of fluctuating but slowly progressive bilateral lower extremity
weakness, a little worse on the left than the right. After a complete evaluation,
Schistosoma mansoni is diagnosed as the etiology. S. mansoni ova
usually damage the nervous system at the level of the
conym5 - 07-12-09 18:22
A 28-year-old man who has recently immigrated from Brazil presents
with 3 months of fluctuating but slowly progressive bilateral lower extremity
weakness, a little worse on the left than the right. After a complete evaluation,
Schistosoma mansoni is diagnosed as the etiology. S. mansoni ova
usually damage the nervous system at the level of the
The correct answer and explanation will be available after you answer.
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#6
Re: infections
conym5 - 07-13-09 16:05 fas148 is correct
S. mansoni is endemic in
Puerto Rico and may produce a subacutely evolving paraparesis. The fluke
itself does not invade the spinal cord, but it deposits eggs in the valveless
veins of Batson, which drain the intestines and communicate with the
drainage from the lumbosacral spinal cord
#17
Re: infections babbu5508 - 08-30-10 01:37 My answer is: d.
fluctuating but slowly progressive bilateral lower extremity weakness, a little worse on the left than the right....schistosoma involves the spinal cord...
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