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
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
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
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
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/...
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
Beautiful!
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/...
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
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/
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
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...
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/...
3 weeks to go! There's still time to sign up!!
clevelandcliniclabs.com/register-now...
#pathsky
Paracoccidioides venezuelensis dimorphism
Direct examination with clorazol Black 400X of bronchial sample: hyaline hyphae suggestive of Aspergilosis
“Worst drug ever. Makes you smell bad, kills you, and doesn’t get you high.”
journals.sagepub.com/doi/10.1177/...
#pathsky
journals.sagepub.com/doi/10.1177/...
Let's all do whatever we can to encourage smokers to quit & others to never start. 🚭🚭🚭
First described by Dr. Anna-Luise Katzenstein
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
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/...
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
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
📸 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
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
Reduce variability and inconsistency in your approach to #amyloidosis diagnosis and laboratory workup! New #CAPguideline: brnw.ch/21wXMU6
#pathsky #pathology #CAPGuidelines
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
Thanksgiving reminder… ⚖️