This was an incidental finding during colonoscopy and polypectomy in a 60-year old female of unknown nationality and travel history. Identification?
Hematoxylin and Eosin
Sunday, June 1, 2014
Subscribe to:
Post Comments (Atom)
skip to main |
skip to sidebar
A parasitologist's view of the world
Welcome to Parasite Case of the Week
Every week I will post a new Case, along with the answer to the previous case. Please feel free to write in with your answers, comments, and questions. Also check out my image archive website at http://parasitewonders.com. Enjoy!
The Fine Print:
Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
The Fine Print:
Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
About Me
Top 50 Pathology Blog
11 comments:
Not animal, not mineral, but vegetable.
BW in vt
For me, it doesn't look like any parasite I know. IMHO, it is most likely some plant material.
The object did not show a buccal cavity nor any internal organ i.e esophagus and digestive tract which would be present if it were a true parasite. I would classify it as an artifact.
Florida Fan
No definitive internal structures, I agree artifact.
Lee
lots of artifact answers... Here's a few hints: annulated cuticle, nucleated hypodermis, bacillary bands, stichocytes, variation is width along length. :)
morphology indicates nematode, Stichocytes indicate the parasite belongs to the Trichocephalida, different sized cross sections suggest an animal with varying body width, annulated cuticle suggests Trichuria trichuris, human whipworm which is also consistent with anatomical location of discovery.
Of course, Lukus is right and I feel ashamed! I know whipworms but not from histological sections. It really didn't come to my mind but given the hints, it's clear now.
Much has to be learned. Being techs, we know the worm in its "mundane" morphology and through the recognition of its ova, not in its histologic presentation.
Florida Fan
LOL, I agree with Florida Fan, show me the egg or the worm, NO PROBLEM, the histologic sections...we leave that to pathology..LOL!
Lee
Post a Comment