Benign or non-neoplastic conditions
Reviewer: Nicole Riddle, M.D. (see Reviewers page)
Editor: Jamie Shutter, M.D.
Revised: 19 April 2013, last major update April 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Common intestinal parasite, rarely reported in fallopian tube, usually in areas with high prevalence
- Also known as pinworm in US (in UK pinworm is Strongyloides), threadworm in UK, seat worm
- No specific gross findings
- May see adult forms grossly, like a grain of rice
- Adult female has sharply pointed posterior end, 8-13 mm long by 0.5 mm wide; adult male has curved posterior end, 2-5 mm long by 0.2 mm wide
- Eggs are translucent, have a thick shell that is flattened on one side, 50-60 micrometers by 20-30 micrometers
- Larvae grow to 140–150 micrometers long
Hard shelled egg of E vermicularis
Enterobius in fallopian tube lumen
(contributed by Col Dr. Shahid Jamal,
Army Medical College, Rawalpindi, Pakistan)
End of Fallopian tubes > Benign or non-neoplastic conditions > Enterobius
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