Ascariasis laboratory tests: Difference between revisions
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{{CMG}}; '''Associate Editor-In-Chief:''' Imtiaz Ahmed Wani, [[M.B.B.S]] | {{CMG}}; '''Associate Editor-In-Chief:''' Imtiaz Ahmed Wani, [[M.B.B.S]] | ||
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=== Diagnostic Findings === | |||
Microscopic identification of eggs in the stool is the most common method for diagnosing intestinal ascariasis. The recommended procedure is as follows: | |||
#Collect a stool specimen. | |||
#Fix the specimen in 10% formalin. | |||
#Concentrate using the formalin–ethyl acetate sedimentation technique. | |||
#Examine a wet mount of the sediment. | |||
Where concentration procedures are not available, a direct wet mount examination of the specimen is adequate for detecting moderate to heavy infections. For quantitative assessments of infection, various methods such as the Kato-Katz can be used. Larvae can be identified in sputum or gastric aspirate during the pulmonary migration phase (examine formalin-fixed organisms for morphology). Adult worms are occasionally passed in the stool or through the mouth or nose and are recognizable by their macroscopic characteristics. | |||
==References== | ==References== | ||
Revision as of 21:17, 24 January 2012
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Ascariasis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Ascariasis laboratory tests On the Web |
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American Roentgen Ray Society Images of Ascariasis laboratory tests |
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Risk calculators and risk factors for Ascariasis laboratory tests |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Imtiaz Ahmed Wani, M.B.B.S
Diagnostic Findings
Microscopic identification of eggs in the stool is the most common method for diagnosing intestinal ascariasis. The recommended procedure is as follows:
- Collect a stool specimen.
- Fix the specimen in 10% formalin.
- Concentrate using the formalin–ethyl acetate sedimentation technique.
- Examine a wet mount of the sediment.
Where concentration procedures are not available, a direct wet mount examination of the specimen is adequate for detecting moderate to heavy infections. For quantitative assessments of infection, various methods such as the Kato-Katz can be used. Larvae can be identified in sputum or gastric aspirate during the pulmonary migration phase (examine formalin-fixed organisms for morphology). Adult worms are occasionally passed in the stool or through the mouth or nose and are recognizable by their macroscopic characteristics.
References
de:Spulwurm hu:Orsóférgek io:Askaridiko id:Askariasis it:Ascaridiasi nl:Spoelworm ps:اسکاريس لومبريکويډېس sk:Hlísta detská