Sunday, February 3, 2013

Case of the Week 244

The following was an incidental finding on colon biopsy.  The referring pathologist queried if this could be a small parasite.  Identification?

40 times magnification

100 times magnification

600 times magnification

600 times magnification

Many thanks to MicrobeMan for donating this case!
at

7 comments:

  1. AnonymousFebruary 4, 2013 at 11:03 AM

    I have voted not parasite on many things before like this -- thick cell walls and so on -- and as far as I know never been caught out.

    ReplyDelete
  2. AnonymousFebruary 5, 2013 at 9:10 AM

    Some sort of seed?

    --bks

    ReplyDelete
  3. AnonymousFebruary 5, 2013 at 3:24 PM

    Shaggy coat. Spore of somekind?

    ReplyDelete
  4. AnonymousFebruary 5, 2013 at 6:26 PM

    I hate to give up, but on the other hand "je n'en sais rien".

    Florida fans

    ReplyDelete
  5. AnonymousFebruary 6, 2013 at 7:11 AM

    can it be Dirofilaria sp.

    ReplyDelete
  6. AnonymousFebruary 6, 2013 at 8:18 PM

    The third photo seems to have hexagonal wall structures similar to plant-like membranes. I vote non-parasite, but I could easily be wrong!

    ReplyDelete
  7. Conrado ZanardiFebruary 8, 2013 at 9:05 AM

    Not a parasite! Cell wall+outer coat make me think of a SEED!

    ReplyDelete