Sunday, August 18, 2013

Answer to Case 270

Answer:  Clonorchis sinensis /Opisthorchis sp. eggs

The characteristic features of these distinctive eggs are their small size (19-35 micrometers in length), 'urn' shape, shouldered operculum and abopercular knob:

The eggs of Opisthorchis sp. are slightly smaller than those of Clonorchis sinensis, but there is significant overlap and it is not usually possible to differentiate the two.

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