This one's a beaut. Sinonasal papilloma, oncocytic type. #BeautyintheBenign #PathTwitter #ENTPath

FL Path residents! Check this case: 73yo F w/neck swelling, 3cm mass on parotid US. FNA: Benign acinar cells, lymphocytes. Resection: Proliferation of acini, ducts, and cysts, intraductal proliferation with apocrine metaplasia, cyst lining w/brightly eosinophilic granules. 🧵 1/1

Acinic cell Ca with high-grade Squamoglandular and Chondrosarcomatous Transformation Mimicking ‘Carcinosarcoma ex-PA’: A Wrinkle in the Proposed Nomenclature Revision Rammal, et al rdcu.be/dJsel #HeadNeckPathol #HNPJ #HeadandNeckPath #Pathology #ENTPath #PathologyTweet

Why is p53 called p53? 🤔 A 🧵 about the history and discovery of the most studied gene in human history, also known as the guardian of the genome. 🧬 #pathtwitter #pathX #molecular #history

Top IHC/ISH Hacks for and Molecular Surrogates of Poorly Differentiated Sinonasal Small Round Cell Tumors Diana Bell rdcu.be/dJscn #HeadNeckPathol #HNPJ #HeadandNeckPath #Pathology #ENTPath #PathologyTweet

Dysgenetic Polycystic Disease of the Salivary Glands: A Case Report Occurring for the First Time in the Minor Salivary Glands of the Tongue Bruett, Freedman & Reich rdcu.be/dJsdw #HeadNeckPathol #HNPJ #HeadandNeckPath #Pathology #ENTPath #PathologyTweet

Parotid mass, man in his late 70s. #ENTPath #PathTwitter

1/3. Multiple smooth polyps on the lower lip with a clinically benign appearence. Looks benign at low power, agreed? #PathTwitter #ENTpath

paranasal sinus # invasive and angioinvasive fungal sinusitis.

entpath # sinonasal papillomas # 1. oncocytic sinonasal papilloma vs 2. inverted sinonasal papilloma.

Histoplasmosis 2-5μm The most prevalent systemic fungal infection in the U.S., histoplasmosis is caused by Histoplasma capsulatum, a dimorphic fungus that grows as a yeast at body temperature and as a mold in the environment.

🚨PITFALL ALERT 🚨 INSM1 expression can be seen in oropharyngeal HPV-associated SCC. Should not be used alone to evaluate for high-grade neuroendocrine transformation. #pathology #pathologist #headandneck #PathTwitter #oralpath #ENT #ENT_Pathology #headandneckpathology

Medial Calcific Sclerosis ~ #pathology #cardiovascular

1. Mucoepidermoid carcinoma, low grade, Warthin tumor-like variant (scanned). Predominantly cystic parotid gland neoplasm with a dense lymphoplasmacytic tumor associated lymphoid proliferation (TALP). A MAML2 gene rearrangement is present, confirming the diagnosis. #PathTwitter

Too close to diagnose? 🧐🔬 #COTW #UMichPath #PathX #BoardsAlert

When everything is a two person job. Here at The Clinic we are all about teamwork. 🏥🔬Jacob Rattin, DO #pathmatch25 #pathtopath #pathmatch2025

Gastric polyps with this appearance have been termed "intestinal type adenomas" for years. Because they are essentially gastritis-associated polypoid dysplasia, some observers prefer to regard them as "endoscopically visible lesions that harbor dysplasia". PMID: 30841008.