Monday, February 7, 2011

Case 149

The following was identified in "perirectal abscess fluid."
It measures approximately 55 microns in length. Identification?
Photo courtesy of Heather A.
at

12 comments:

  1. Neuro_NurseFebruary 7, 2011 at 10:34 AM

    Schistosoma haematobium

    ReplyDelete
  2. Neuro_NurseFebruary 7, 2011 at 10:41 AM

    Correction: Schistosoma intercalatum.

    S. haematobium     are shed in urine, S. intercalatum are shed in stool.

    ReplyDelete
  3. KathyFebruary 7, 2011 at 10:51 AM

    Enterobius vermicularis

    ReplyDelete
  4. FP, Vt.February 7, 2011 at 2:07 PM

    E.vermicularis

    ReplyDelete
  5. UnknownFebruary 7, 2011 at 3:27 PM

    Pinworm egg.

    ReplyDelete
  6. AnonymousFebruary 7, 2011 at 9:09 PM

    The 'spine' I think is an illusion; the size is most consistent with Enterobius.

    ReplyDelete
  7. AnonymousFebruary 8, 2011 at 8:17 AM

    Pinworm egg it looks flat on one side.

    ReplyDelete
  8. AnonymousFebruary 8, 2011 at 8:39 AM

    Enterobius vermicularis

    ReplyDelete
  9. Neuro_NurseFebruary 8, 2011 at 11:27 AM

    [Red face]

    I should have looked at the size - it's too small to be a schistosome egg.

    ReplyDelete
  10. Lukus RobertsFebruary 9, 2011 at 3:34 PM

    Human Pinworm, Enterobius verminicularis, location, size and morphology are all spot on.

    ReplyDelete
  11. AnonymousFebruary 14, 2011 at 10:12 PM

    Enterobius vermicularis

    ReplyDelete
  12. UnknownJanuary 13, 2014 at 10:47 PM

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    ReplyDelete