Here is our last case of 2024, courtesy of Drs. Courtney Comar and Laura Lamps. The following structures were seen in tissue removed during surgery from the peritoneal cavity of a patient with volvulus of the bowel and associated inflammatory changes. On histopathology, numerous foreign body giant cells and 'pulse granulomas' were seen. What are these structures?
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As usual, Dr. Pritt saves the best for last. Since this never is my specialty, I’ll just take my leap of faith after for sure consulting the literature on the web: Schistosomiasis. The two long objects appear to be an amorous pair of adults, there seem to be a few tuberculations on the cuticle of one. The smaller elongated objects may be eggs, though I cannot see for certain the internal miracidium. This seems to be the answer to pulse granuloma. Again I always invoke a common excuse of mankind:” Errare humanum est”.
Thank you for another beautiful case Dr. Pritt and colleagues!
I happen to know how much Dr. Pritt loves parasite mimicks, so my guess would be that these are artefacts! On the second image I some of the structure look like "wood rings" having a slightly polygonal aspect with rounded corners. The long structures look like vegetable spirals (part of the spirovascular bundle of plants).
But I may be wrong of course - as Florida Fan nicely puts it: "Errare humanum est"!
Happy 2025 to everyone!
Good case! Nothing I am familiar with so… Yes, may be artifacts?
Maybe old suture material.
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