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Meeting my beautiful friends after a long time Julia Gallardo, MD and Tamadar Al Doheyan

False friends in gastrointestinal pathology Clear and pink cell malignant epithelioid tumors in the liver -HCC -Pecoma -Metastasis Dr. Lamps #USCAP25 #pathology #PathX

Problem based approach to liver tumor diagnosis I know is hepatocellular, is it malignant? Order reticulin, glutamine synthetase (GS), glypican-3 If you are on the fence between adenoma and carcinoma the presence of mitotic figures (at least one) favors HCC Dr. Bellizzi

Problem based approach to liver tumor diagnosis I know it is malignant, is it hepatocellular? Order HepPar, Glypican 3, arginase-1, CK7, MOC-31, albumin ISH CK7 and MOC-31 should be weaker or negative to support diagnosis of HCC Dr. Bellizzi #USCAP25 #pathology #PathX

Problem based approach to liver tumor diagnosis CK19 is a broad-spectrum keratin Not a "Cholangiocarcinoma marker" Dr. Bellizzi #USCAP25 #pathology #PathX

Problem based approach to liver tumor diagnosis Clinicopathologic features of Small and Large Duct Intrahepatic Cholangiocarcinoma Dr. Bellizzi #USCAP25 #pathology #PathX

Problem based approach to liver tumor diagnosis "Garden variety Adenocarcinoma" in the liver Dr. Bellizzi #USCAP25 #pathology #PathX

Teaching AAMC Council of Faculty and Academic Societies (CFAS) how trainees are using AI. Medicine will continue to adapt and integrate these technologies while also maintaining essential human components/ tinyurl.com/28ypjdnw Michigan Pathology MSU College of Osteopathic Medicine MSU College of Natural Science

AI for all us medicos, Meredith Herman, DO doing the great job ⭐️ 😇

Neuroendocrine neoplasms can be separated in 3 groups-IARC/WHO Taxonomy Epithelial NEN Non-epithelial NEN Paraganglioma-like NEN Dr. Mete #USCAP25 #pathology #PathX

Going to work on Friday

Jay "Thymocyte" Hwang Palisaded granuloma. Classical Differentials: Central mucin: Granuloma annulare Central degenerated collagen: Necrobiosis lipoidica Central necrotic material: Rheumatoid nodule. Central necrotic material with cholesterol clefts: Xanthogranuloma Looks like deg coll to me here.

Coarse eosinophilic granules (so-called 'Paneth-like') can be seen in all grades of #prostatecancer #gupath Unlike true Paneth cells [GI tract], these cells are neuroendocrine marker (+), do NOT contain lysozyme

▪️Pseudomelanosis duodeni ▪️Etiologic considerations: iron deposition (iron pill ingestion, superficial bleeding🩸), macrophage metabolism of meds, charcoal, other substances 💊Associated meds: hydralazine, furosemide, hydrochlorothiazide #GIpath

Tell me you are cute without telling me you are cute 🥰 Stephanie Young Soc. Pediatric Path. #PathTwitter

Finally, a novel marker to call dysplasia in sessile serrated adenomas (or polyps… or lesions… whatever we’re calling them this week). bit.ly/4iyaHGf

This is sebaceous heterotopia mimicking esophageal epidermoid metaplasia. pubmed.ncbi.nlm.nih.gov/39461846/ PMID: 39461846

to those starting residency today or already started; remember you are ADDING residency to your life—NOT pausing your whole lives for it. there is no doctor— without the person. #pathtwitter #medtwitter

This spectacular metastatic dedifferentiated gastrointestinal stromal tumor to the liver mimics hepatocellular carcinoma.

Stumbling upon an excellent resource by the master Andrew Bellizzi 🇺🇦 🙌😇 for neuroendocrine tumors and IHC The Pathologist @GI pathology #pathology