Sunday, July 11, 2010

Case of the Week 122

The following was 'passed' in the stool of an otherwise asymptomatic 50 year old woman. (images courtesy of Dr. Washington Winn, Fletcher Allen Health Care, VT)
Identification?
(CLICK ON IMAGES TO ENLARGE)


4 comments:

Alasdair Hill said...

snake skin?

Malassezia said...

Diphyllobothrium latum?

(based on the macroscopic length and the proglottids that are wider than they are long with central 'rosette'-like uteri)

Anonymous said...

D. latum. Given that this worm lives in clear, cold lakes, I wonder whether this woman was swimming in Lake Superior. BW in Vt

Anonymous said...

Diphyllobothrium latum.
I think she ate raw fish.