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.

12 comments:

Neuro_Nurse said...

Schistosoma haematobium

Neuro_Nurse said...

Correction: Schistosoma intercalatum.

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

Kathy said...

Enterobius vermicularis

FP, Vt. said...

E.vermicularis

Mickey said...

Pinworm egg.

Anonymous said...

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

Anonymous said...

Pinworm egg it looks flat on one side.

Anonymous said...

Enterobius vermicularis

Neuro_Nurse said...

[Red face]

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

VSpyder said...

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

Anonymous said...

Enterobius vermicularis

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