#pathbugs search results
Thread... 1. Every day, pathologists diagnose fungi in surgical pathology and cytology specimens from the lung. This thread = our experience (26 years) Read article in @IJSPjournal journals.sagepub.com/doi/10.1177/10… Pic: Blastomyces, case 17 of Table 1 #pulmpath #pathology #pathbugs
Colectomy performed for cancer. Colleague's case. Granulomata present away from cancer. On pictures 1 to 3, hard to be sure what they are, but picture 4 shows a viable schistosoma ovum. GI schistosomiasis is usually S. mansoni or japonicum. #GIpath #pathbugs
This BAL revealed an unusual and striking finding: ➡️Disseminated strongyloidiasis in an immunocompromised patient #CytoPath #PathTwitter #PathBugs
218/ Image from case 5, table 1, Toro P, et al, Int J Surg Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
70/F with a h/o kidney transplant in 2006, on immune suppressants. Patient felt a 1cm tumor below the skin on her right knee last May, but walking became painful despite oral ABx. MRI revealed necrotizing fasciitis. GMS+, Mucicarmine+ cryptococcosis. #PathBugs #crittersontwitter
Image from case 5, table 1, Toro P, et al, Int J Sur Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
#Pathbugs Yet another stellar contribution to the #Pathbugs kingdom by our guru and unmatched guide to deep #Cryptococcus knowledge @smlungpathguy . ↘️
218/ Image from case 5, table 1, Toro P, et al, Int J Surg Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
Which fungus🍄 = crushed🏓⚪️? A) Pneumocystis B) Blastomyces C) Cryptococcus D) Coccidioides 🖼️🙏Dr. Carol Farver #CrittersOnTwitter #PathBugs #PathTwitter #PathResidents #PulmPath
#Parasite case 794 is up – H&E-stained section of skin from the plantar aspect of the foot. parasitewonders.blogspot.com/2025/11/case-o… Any thoughts? Answer later this week! #mayopath #pathology #PathBugs
Disseminated histoplasmosis, cytology, BAL specimen, pap stain #pathology #pulmpath #pathbugs #crittersontwitter #cytopath In lung specimens, this morphology is a surrogate for disseminated disease pubmed.ncbi.nlm.nih.gov/24054723/
4. Another image from case 5, table 1, Toro P, et al, Int J Sur Pathol 2025 Mucicarmine is positive in pleomorphic yeasts with a halo. Is there a differential diagnosis here, or should we be reasonable and diagnose this as Cryptococcus? #pathbugs #crittersontwitter
#Parasite case 794 is up – H&E-stained section of skin from the plantar aspect of the foot. parasitewonders.blogspot.com/2025/11/case-o… Any thoughts? Answer later this week! #mayopath #pathology #PathBugs
Found this in a pap smear... Bethesda doesn't say anything about mites. 🙈 AI tagged this as sarcoptes... 80 to 90 % confidence. Anybody knows what this is? @ParasiteGal (I hope you're around) @VetPathophile (I know but you might see more of them than I do) @DrGeeONE
The first post in this 219-post thread on cryptococcosis was on July 10, 2019 It's the longest pathology thread on X: 2019-2025 #pathbugs #crittersontwitter #pathology #pulmpath
219/ I am always amazed by the power of the H&E stain. Much reviled over the years, it remains the backbone of pathologic diagnosis all over the world. It's often all you need to identify Cryptococcus #tweetcyclopedia
I think this is the longest thread or #tweetorial or #pathtweetorial ever created. 219 tweets/posts in a row by various experts in different fields, slowly linked together over a period of several years, all focussed a single topic: cryptococcosis #pathbugs #crittersontwitter
#Pathbugs Yet another stellar contribution to the #Pathbugs kingdom by our guru and unmatched guide to deep #Cryptococcus knowledge @smlungpathguy . ↘️
#Pathbugs Yet another stellar contribution to the #Pathbugs kingdom by our guru and unmatched guide to deep #Cryptococcus knowledge @smlungpathguy . ↘️
218/ Image from case 5, table 1, Toro P, et al, Int J Surg Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
#Pathbugs Thank you dear Sanjay for sharing this and adding to your epic collection. Congratulations on the paper to you ,@erikacytogal and colleagues 👏👏👏👏👏💫
6. These questions have no easy answer. How much risk is involved in calling fungi like this Aspergillus in the lung? How often are we wrong? What are the clinical consequences? See discussion here: journals.sagepub.com/doi/10.1177/10… #pathbugs #crittersontwitter
5. Now this one is tricky. Most fungi that look like this in the lung turn out to be Aspergillus. But there are a few exceptions, so ok to hedge Image from case 30, table 1, Toro P et al, Int J Surg Pathol 2025 journals.sagepub.com/doi/10.1177/10… #pathbugs #crittersontwitter
218/ Image from case 5, table 1, Toro P, et al, Int J Surg Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
Image from case 5, table 1, Toro P, et al, Int J Sur Pathol 2025 journals.sagepub.com/doi/10.1177/10… Mucicarmine is positive in pleomorphic yeasts with a halo. Hedge or diagnose as Cryptococcus? #pathbugs #crittersontwitter
4. Another image from case 5, table 1, Toro P, et al, Int J Sur Pathol 2025 Mucicarmine is positive in pleomorphic yeasts with a halo. Is there a differential diagnosis here, or should we be reasonable and diagnose this as Cryptococcus? #pathbugs #crittersontwitter
Thread... 1. Every day, pathologists diagnose fungi in surgical pathology and cytology specimens from the lung. This thread = our experience (26 years) Read article in @IJSPjournal journals.sagepub.com/doi/10.1177/10… Pic: Blastomyces, case 17 of Table 1 #pulmpath #pathology #pathbugs
A patient with dysentery and liver abscess. Colon biopsy and abscess aspirate are shown. What is this❓️
Alright, we have this cutie 🥰 ! I now have a better idea of the potential organ identification from this entomological autopsy. #pathology #pathologists #pathTwitter #dermpath #dermatologia #dermtwitter #entomology
Thread... 1. Every day, pathologists diagnose fungi in surgical pathology and cytology specimens from the lung. This thread = our experience (26 years) Read article in @IJSPjournal journals.sagepub.com/doi/10.1177/10… Pic: Blastomyces, case 17 of Table 1 #pulmpath #pathology #pathbugs
Colectomy performed for cancer. Colleague's case. Granulomata present away from cancer. On pictures 1 to 3, hard to be sure what they are, but picture 4 shows a viable schistosoma ovum. GI schistosomiasis is usually S. mansoni or japonicum. #GIpath #pathbugs
27. PGY1s: do you know what fruiting bodies are? If you see these in surgical pathology or cytology, you should strongly suspect Aspergillus! #pathbugs #crittersontwitter #sblppgy1
#CrittersOnTwitter #GIPath #pathbugs #Pathclassics 35/M Worry Dismissed!! @smlungpathguy @kriyer68 @vi_monappa @RunjanChetty @DrGeeONE @ariella8 @archibhat3 @RamyaPathology @Thejaspatho @PanditApoorva @Baskotacytopath @prachipath123 @DrAhmedKalebi @pembeoltulu @HermelinMD
16. Most fungi are visible on routine stains like H&E or pap. As a PGY1, ask yourself: "are these fungi yeasts or hyphae". Yeasts (left) are round (ish), hyphae (right) are elongated. Warning: hyphae cut in cross section can mimic yeasts (green circles) #pathbugs
Hydatid cyst, in simple language #Pathbugs #crittersontwitter #pathology #pulmpath #pathtwitter #medtwitter #idtwitter #infection #parasites #pathboards #knoworfail #echinococcosis #pathx
Giardia in a duodenal biopsy. What is your favorite description of these critters? Pale butts? Falling leaves? #pathbugs #crittersontwitter
41. PGY1s: you will see mucicarmine being used as a "mucin stain" in adenocarcinomas, but it also has a cool use in the diagnosis of a fungus called Cryptococcus #pathbugs #crittersontwitter
Which fungus🍄 = crushed🏓⚪️? A) Pneumocystis B) Blastomyces C) Cryptococcus D) Coccidioides 🖼️🙏Dr. Carol Farver #CrittersOnTwitter #PathBugs #PathTwitter #PathResidents #PulmPath
An aspergilloma is a collection of Aspergillus fungal hyphae sitting within a dilated bronchial lumen. Does not invade tissue but can erode bronchus and cause hemoptysis. Also called fungus ball or mycetoma. #Pathbugs #crittersontwitter #pathology #pulmpath
Aspergillus surrounded by Splendore-Hoeppli phenomenon (derbis + antigen/antibody complexes) #pathbugs Image courtesy: @yro854 #yalerosenslidecollecton Super interesting back story on Reinhard Hoeppli: nybooks.com/articles/1977/…
207/ On mucicarmine, Cryptococcus stains red due to binding of aluminum-carmine complexes to acid mucin. But let's take a minute to acknowledge the yellow background, which is due to the dye/counterstain Tartrazine @yro854 @MirunaPopescu13 @ariella8 #tweetcyclopedia #pathbugs…
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