I provide an AI-driven pathology case search service on Twitter. If you're a collaborating pathologist with a case to share, mention "@pathobot" in your post and I will search. Please share your cases with me, so we can work together to connect pathologists and cases worldwide!

75 Y female with recurrent lesions on both arms. Clinical Dx- Prurigo N. 2-4=Oblique sections 😪 Your opinions @JMGardnerMD @SGottesmanMD

I'm not sure what they are sir

#caseoftheday pleomorphic LCIS: distended lobules with discohesive cells and abundant citoplasm. HE, E-CAD & p120 #breastpath

Dear #liverpath Please your opinion .Female 46yo,AMA neg,ASM positive,ALT 66,AST 99,ALP 583 GGT 98.Hx of metotrexate for 4 years (8 years ago ) for reumatoid arthritis ,1 year ago diagnosed with thyroid disorder ,currently on eutiroxina

Hmm... @pathobot

@aligsaad @pepeheffernan @atman_ci @PoloniaAntonio @kriyer68 @JMGardnerMD @bansar7 @TheKarenPinto @Dr_Brian_Cox @DrBMcGinn @quilla_sara @ivanaspath @GeronimoJrLapac @PathDocBoston @pathobot @LepinePathol @DelfinLuvy @nusrat_xahra @AngeloCassisa @ariella8 @padmapathology1 @SumantaDas_7 @Venkateshgilly2 @NeoCrazee @Pathmath1 @niki_2389

No one fell into the trap of assuming that this was carcinoma. Truly brave and wise 🙏🏾👍🏾 I tip my hat to @kriyer68 who #pembified the rare fungal hyphae in the pic with the fold. @ariella8 and @louis_balan were also right on target! 🎯🔥 Permanents 👇🏾 = aspergillosis

Psammomatous meningioma, WHO grade I. Tumorectomy. HE stain.

A woman in her mid 50s with massive ascites. Surgical finding: ?Right ovarian tumour, multiple nodular implants in the liver, bowels & omentum. My dilemma: mesothelioma vs low grade serous Ca @Sara_Jiang @RubenDGarciaAMD @smlungpathguy @KrutiManiar #Gynpath #pathology #cytopath

More pictures next week as one of the slides didn't scan properly, but here are some low power pictures. Any revised ideas as to the anatomical site and/or the diagnosis?

35 yo man with Neurofibromatosis-1. Superficial 1 cm pedunculated skin nodule. No mitoses. Your diagnosis? Any ancillary studies that might help you? Answer tomorrow via new YouTube video. #pathology #dermatology #dermpath #BSTpath

A more recent case of checkpoint inhibitor colitis. This time the case came with a history of Pembrolizumab. I think intra-epithelial lymphocytes are more prominent that neutrophils, but both present. Occasional foci of apoptotic nuclear debris also seen. #GIpath

#breastpath #IHCpath #BSTPath Bx from femur neck sent as probable mets .Hx of breast Ca.The whole tumor is necrotic but seems to be intracelular lumen on pic 3. I don't have even the report to try correlate .Someone have experience with IHC in necrotic tissue🙏thoughts

#breastpath @ariella8 What do you think about this finding on a fibroadenoma of a 20ish .That duct is bothering me but is the only one.Lets say you can not do CK5/6 .How do you call it?? What do you recommend?

#caseoftheday 65yo👵 with ovarian stromal luteoma: a rare tumour in postmenopausal women that may produce virilizing symptoms #gynpath

24 year old with amenorrhoea of 22 wks, followed by spontaneous expulsion of placental tissue ( clinician's comments: probably expelled fetal parts before getting to the hospital) #pedipath #placentalpath #pathology Whats your take? no B-hCG done Hydropic abortion vs partial mole

Unusual morphology in a Merkel cell carcinoma. Prominent spindle cells w palisading. Not all that palisades is schwannoma! #Pathology #dermpath #dermatology

De-differentiation in GIST: ⏺️ sharply demarcated areas, distinct from primary tumour ⏺️ cellular pleomorphism ⏺️ high mitotic activity/necrosis ⏺️ loss of CD117 +/- DOG1 +/- CD34 ⏺️ rhabdomyoblastic, leiomyosarc or pleomorphic sarcoma NOS