This week's case is a good deal more trickier than the last. It was graciously donated by Florida Fan. The patient is a toddler who passed the following 15-cm long worm.
Despite its suggestive outer appearance, the proboscis could not be seen to allow for definitive diagnosis:
Therefore the specimen was sent for histologic sectioning which revealed the following:
In my mind, this is the best use of histologic sectioning for worms - at the direction of the microbiologist, and AFTER the gross specimen has been adequately examined.
Identification?
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