Enterobiasis other diagnostic studies
Template:PinwormEditor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Diagnosis is often made clinically by observing the female worm (or many worms) in the peri-anal region, but can also be made using the "scotch-tape" test, in which the sticky side of a strip of cellophane tape is pressed against the peri-anal skin, then examined under a microscope for pinworm eggs.
The actual worms may be seen in the host's faeces; however the eggs are invisible to the naked eye.
The diagnostic characteristics are: size 50-60 µm by 20-32 µm; typical elongated shape, with one convex side and one flattened side and colorless shell [1].
On histologic cross-section, alae or wings (running the length of the worm) are identifying features of the pinworm (see micrograph).[2]
References
- ↑ "PARASITOLOGY - CHAPTER FOUR NEMATODES (Round Worms)". The Board of Trustees of the University of South Carolina. Retrieved 2007-10-18.
- ↑ Diagnostic Findings Enterobiasis. Centers for Disease Control and Prevention. URL:http://www.dpd.cdc.gov/dpdx/HTML/Enterobiasis.htm. Accessed on: August 6, 2008.
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