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Sanjay Mukhopadhyay

@smlungpathguy.bsky.social
1.1K followers 799 following 160 posts

I'm a pathologist (thoracic pathology), skeptic and opponent of groupthink

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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 26/09/2026
Pathology is hard! #pathsky youtu.be/6t7OMqNDaQE?...
youtu.be
Pathology of fibrotic (chronic) hypersensitivity pneumonitis: a pulmonary pathologist's experience
YouTube video by Sanjay Mukhopadhyay
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 21/09/2026
Fungal hyphae, PAS stain, lung biopsy Prior A. fumigatus on cultures Common things are common! #pathsky How to report? See: journals.sagepub.com/doi/abs/10.1...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 20/09/2026
Pro tip!! #pathsky youtu.be/cvotfbEYsJc?...
youtu.be
How do lung pathologists diagnose Langerhans cell histiocytosis at very low magnification?
YouTube video by Sanjay Mukhopadhyay
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 19/09/2026
Miliary lung disease occurs when a massive number of pathogens break out of an initial infection site, travel through the bloodstream, and blanket the lungs with thousands of tiny, millet-seed-sized spots #pathsky #yalerosenslidecollection
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Jonathan Zuckerman MD PhD @jzrenalpath.bsky.social · 21/08/2026
Nice example of multi-cystic renal dysplasia. Metaplastic cartilage, disordered tubules, tubular cysts, and scattered immature appearing tubules with fibromuscular collarets. #renalpath #nephsky #pathsky
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 19/09/2026
A quick summary of a super complicated topic in 1 slide #pathsky #pathology #pulmpath youtu.be/KrgPeGrHaR8?...
youtu.be
Molecular testing in lung cancer explained in 1 slide by a thoracic pathologist
YouTube video by Sanjay Mukhopadhyay
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 29/06/2026
#Pathology - cardiac angiosarcoma w/ right atrial mass & localize mets in epicardium 🫀 @smlungpathguy.bsky.social
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 07/07/2026
What’s the diagnosis?? 🧐 #pathology #lung @smlungpathguy.bsky.social @gbama11.medsky.social
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 07/09/2026
I learned a new thing today: the country with most Schistosomiasis cases in the world is Nigeria Pic: Schistosoma egg in liver #pathbugs #crittersonblsky #pathology #liverpath #yalerosenslidecollection #pathsky
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 29/06/2026
Let's hope no-one calls this BIP!
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 24/06/2026
Hypertrophic Obstructive Cardiomyopathy (HOCM) 🫀 #cardiosky @smlungpathguy.bsky.social @liisasiil.bsky.social @ericatirr.bsky.social @drmonikaradike.bsky.social
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 27/06/2026
Cardiac #sarcoidosis 🫀 The gross specimen shows multiple patchy yellow-white infiltrative lesions scattered throughout the myocardium. These represent areas of granulomatous inflammation and fibrosis, which are characteristic of cardiac sarcoidosis. #pathology @smlungpathguy.bsky.social
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 29/06/2026
My thoughts on a controversial ILD topic youtu.be/SWHBU7ptGbk?...
youtu.be
Bronchiolocentric interstitial pneumonia (BIP)
YouTube video by Sanjay Mukhopadhyay
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 24/05/2026
OP squeezing through a pore of Kohn youtube.com/shorts/V6sJs...
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Natasha Rekhtman @natasharekhtman.bsky.social · 19/03/2026
Final version of this article is now posted! Granular/oncocytic lung carcinomas: what these are, and how they can cause diagnostic problems. sciencedirect.com/science/arti...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 22/05/2026
What do you think of when you see a granuloma in a vessel wall in the lung? Watch this 51 second YouTube short to learn a quick tip! Link: youtube.com/shorts/82RE5Q9dFfw
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Woo Cheal Cho, MD @draldehyde.bsky.social · 01/04/2026
Interested in #LungPath? Don’t miss HSCP’s Annual Spring Symposium in Houston next month! 😆🔬🫁 Hear from incredible speakers, including @smlungpathguy.bsky.social, and connect with leaders in the field! #pathology #MDACCPath
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 05/12/2025
40’s FM parotid mass Dx: mucoepidermoid ca 📸 macro: ill defined borders, largely solid, focal cystic (arrowhead). Parotid node (solid arrow) and skel.muscle (open arrow) 📸 touch prep: clusters polygonal cells w/dense cytoplasm 📸 scan mag appearance #PathSky #ENTSky #Radsky #Otosky #PathTwitter
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 13/01/2026
60’s male, parotid mass Dx: Warthin tumor 📸macro: cystic-solid mass, note layering of cystic contents for gross-micro correlate [arrow] 📸low mag overview [arrow for gross-micro reference] 📸papillary projections w/lymphoid stroma 📸bilayered oncocytic epithelium #PathSky #Otosky #PathTwitter #ENTsky
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 16/01/2026
50s yom maxillary sinus Dx: sinonasal papilloma, inverted-type 📸macro: partially translucent mass w/cerebriform opaque infoldings 📸low: downward growth of epi 📸 mucous cells (arrow) & microabscess formation 📸 thick squamous epi w/transmigrating neutrophils #Pathsky #Otosky #ENTsky #macromicropath
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 06/12/2025
This fungal yeast was called Histoplasma on biopsy. This diagnosis was later confirmed by cultures. How often does this approach go wrong? #pathsky #idpath Read more here in @IJSPjournal : journals.sagepub.com/doi/10.1177/...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 04/12/2025
This fungus looked exactly like Aspergillus but turned out to be Pseudallescheria (by microbiologic cultures). How should such cases be worded? Read more here in Int J Surg Pathol: journals.sagepub.com/doi/10.1177/... #pathsky #fungal #idsky #pathology #pulmpath
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 21/03/2026
Beautiful!
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 03/01/2026
To open 2026, here is one of the rarest findings in a lung biopsy: fruiting body of Rhizopus (confirmed by PCR) #pathology #pulmpath #pathbugs #pathsky To read how these fruiting bodies differ from those of Aspergillus, click here: journals.sagepub.com/doi/10.1177/...
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PathologyOutlines.com @pathologyoutlines.bsky.social · 07/01/2026
Image of the Week! Contributed by: Maria Tretiakova, M.D., Ph.D Textbook topic: Kidney tumor Diagnosis: TFEB rearranged RCC Textbook topic link: www.pathologyoutlines.com/topic/kidney... #Pathology #PathologyOutlines #PathSky
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Natasha Rekhtman @natasharekhtman.bsky.social · 06/01/2026
My first post on this platform. Hope I am not messing this up, but here it goes... This is for neuroendocrino-philes here: Excited to share the latest paper from our group on lung carcinoids. onlinelibrary.wiley.com/doi/10.1111/... pubmed.ncbi.nlm.nih.gov/41489019/
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 07/01/2026
The best thing you learn from the worst time of your life is that you get to see the true colors of everyone. #Thoughtoftheday #Wednesdaythought
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 08/01/2026
The countdown begins! Only 15 days to go!! I hear some folks are not only attending but staying for the full week! So much to do, great hotel, and great weather! #pathsky Register here: www.clevelandclinicmeded.com/live/courses...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 03/01/2026
To open 2026, here is one of the rarest findings in a lung biopsy: fruiting body of Rhizopus (confirmed by PCR) #pathology #pulmpath #pathbugs #pathsky To read how these fruiting bodies differ from those of Aspergillus, click here: journals.sagepub.com/doi/10.1177/...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 29/12/2025
3 weeks to go! There's still time to sign up!! clevelandcliniclabs.com/register-now... #pathsky
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Rommie Merino-Alado @rommiemicogia.bsky.social · 03/11/2025
Paracoccidioides venezuelensis dimorphism
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Rommie Merino-Alado @rommiemicogia.bsky.social · 17/12/2025
Direct examination with clorazol Black 400X of bronchial sample: hyaline hyphae suggestive of Aspergilosis
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I Quit Smoking 🚭 📚 🐕 @iquitcigs.bsky.social · 23/11/2025
“Worst drug ever. Makes you smell bad, kills you, and doesn’t get you high.”
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 15/12/2025
journals.sagepub.com/doi/10.1177/...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 12/12/2025
#pathsky journals.sagepub.com/doi/10.1177/...
journals.sagepub.com
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
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I Quit Smoking 🚭 📚 🐕 @iquitcigs.bsky.social · 06/12/2025
Let's all do whatever we can to encourage smokers to quit & others to never start. 🚭🚭🚭
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 02/12/2025
Mid-40’s male w/nasal obstruction Dx: allergic fungal sinusitis (polyps not shown) 📸 layering of mucin, cellular debris, degranulated eosinophils & inflammatory cells 📸 Charcot-Leyden crystals (arrows) 📸 occasionally fungal forms visible on H&E (arrow) 📸 fungus readily highlights w/GMS #PathSky
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 06/12/2025
This fungal yeast was called Histoplasma on biopsy. This diagnosis was later confirmed by cultures. How often does this approach go wrong? #pathsky #idpath Read more here in @IJSPjournal : journals.sagepub.com/doi/10.1177/...
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 04/12/2025
This fungus looked exactly like Aspergillus but turned out to be Pseudallescheria (by microbiologic cultures). How should such cases be worded? Read more here in Int J Surg Pathol: journals.sagepub.com/doi/10.1177/... #pathsky #fungal #idsky #pathology #pulmpath
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PathologyOutlines.com @pathologyoutlines.bsky.social · 24/10/2025
Case of the Month: A 2 year old boy presents to his pediatrician with pallor, fatigue and shortness of breath when playing. He lives with his parents and 4 siblings on a dairy farm. Access the rest of the clinical history and more via the link in comments. #Pathology #PathologyOutlines #PathSky
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 21/11/2025
📸 frozen section, tumor capsule 📸 frozen section, epithelial cells (ducts) and myoepithelial cells 📸 frozen section, nests of myoepithelial cells in myxochondroid matrix Dx: pleomorphic adenoma #Pathsky
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Kelly Magliocca DDS, MPH @kmagliocca.bsky.social · 21/11/2025
Frozen-section-Friday: Adult with 2 cm parotid mass sent for intraoperative consultation 📸: solitary, largely circumscribed, cut surface w internal heterogeneity 📸: touch prep - monotonous cells (myoeps) w/i basophilic matrix 📸: low mag nodule contour at frozen section …next #PathSky #ENTsky
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College of American Pathologists @pathologists.bsky.social · 24/11/2025
Reduce variability and inconsistency in your approach to #amyloidosis diagnosis and laboratory workup! New #CAPguideline: brnw.ch/21wXMU6 #pathsky #pathology #CAPGuidelines
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Jonathan Zuckerman MD PhD @jzrenalpath.bsky.social · 26/11/2025
So many eosinophils in this case of tubulointerstitial nephritis secondary to recent antibiotic administration. Few tiny granulomas as well. Eos seen in EM as well. #renalpath #pathsky #nephsky
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Tan-Lucien Mohammed, MD, FACR @tlhm-md.bsky.social · 26/11/2025
Thanksgiving reminder… ⚖️
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Mike Dark @darkmich.bsky.social · 25/11/2025
Yes! The Davis/Thompson Foundation provides the infrastructure and storage for several veterinary Pathology groups; in return, they make their slides available at no charge.
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Mike Dark @darkmich.bsky.social · 25/11/2025
We also have one of the largest repositories of veterinary gross pathology images freely available as well: davisthompsonfoundation.org/noahs-arkive/
davisthompsonfoundation.org
Noah’s Arkive – The Davis-Thompson Foundation
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Alexander Nader, Einschauer, Pathologist @alexnader.eurosky.social · 25/11/2025
Such a nice case! Thank you for sharing your expertise!
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Mike Dark @darkmich.bsky.social · 22/11/2025
We see those! Mucicarmine highlights these beautifully.
davisthompsonfoundation.org
Digital Slide Viewer – The Davis-Thompson Foundation
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Sanjay Mukhopadhyay @smlungpathguy.bsky.social · 24/11/2025
#pathsky #pathology #pulmpath 3 thoracic pathologists discuss pathology of mesothelioma youtu.be/LVXlir8s8ik?...
youtu.be
Pathology of mesothelioma (featuring biphasic mesothelioma and talc pleurodesis)
YouTube video by Sanjay Mukhopadhyay
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