Whipworm infection laboratory findings: Difference between revisions
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* Stool Examination - Microscopy | * Stool Examination - Microscopy | ||
A: Trichuris trichiura egg (wet preparation). The diagnostic characteristics are: | A: Trichuris trichiura egg (wet preparation). The diagnostic characteristics are: | ||
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The external layer of the shell of the egg is yellow-brown (in contrast to the clear polar plugs). The egg is unembryonated, as eggs are when passed with the stool. | The external layer of the shell of the egg is yellow-brown (in contrast to the clear polar plugs). The egg is unembryonated, as eggs are when passed with the stool. | ||
[[Image:Trichuris eggA.jpg|thumb|left|T.trichiura egg]] | |||
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B: Trichuris trichiura eggs. Figures show side-by-side eggs with regular (white arrows) and larger (black arrows) size eggs. | |||
[[Image:Trichuris eggD.jpg|thumb|left|Trichuris egg]] | [[Image:Trichuris eggD.jpg|thumb|left|Trichuris egg]] | ||
<br clear="left"/> | <br clear="left"/> | ||
D: Atypical Trichuris sp. egg. | D: Atypical Trichuris sp. egg. | ||
[[Image:Trichuris eggC.jpg|thumb|left|Trichuris egg]] | |||
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==References== | ==References== | ||
Revision as of 09:58, 9 December 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Laboratory Findings
- Stool Examination - Microscopy
A: Trichuris trichiura egg (wet preparation). The diagnostic characteristics are:
- a typical barrel shape
- two polar plugs, that are unstained
- size: 50 to 54 µm by 22 to 23 µm
The external layer of the shell of the egg is yellow-brown (in contrast to the clear polar plugs). The egg is unembryonated, as eggs are when passed with the stool.
B: Trichuris trichiura eggs. Figures show side-by-side eggs with regular (white arrows) and larger (black arrows) size eggs.
D: Atypical Trichuris sp. egg.
