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Answers. Deep penetrating nevus (L) & Cellular blue nevus (R). My YouTube video explains: buff.ly/2FGNAd7. PS - I heard your many requests for a melanocytic video series. So I'm doing it! Subscribe to my YouTube channel to be notified. #dermpath #pathology #dermatology
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Anal verge, polyp
#GIpath #pathtwitter
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1. Take home messages ☺️
2. CMV infection. Look for infectious etiology in immunocompromised, older and very young patients with acute appendicitis
3. Gravid Enterobius vermicularis. One side of the egg is flat, plano convex
4. Orise with TV polyp. Check out the appearance - time
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I rarely trusted using P16 in diagnosis of melanoma but in this case, it beautifully demonstrated clear loss in the melanoma population and reserved in the nevus population! and PRAME shows the exact opposite! only wish every case coming in your way will be like this! #dermpath
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Case 20: 70’s male, the base of the tongue. Dome-like painless mass. Relatively slow growing. What’s your Dx? What kinds of IHC should be done?
#ENTpath #PathTweetAward #Surgpath
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Pancreas
@ZHOUSEH @MattieFarzin @ariella8 @RunjanChetty @JMGardnerMD @01sth02 @MAHoureih @Dr_Brian_Cox @DrGeeONE @DrBMcGinn @pembeoltulu @DrJPLow @AmandaIreland1
#BSTpath #PathTwitter #pancpath
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BODIES in Pathology! Compiled!! #pathology Thanks @DrAldehyde for initiating this! @BinXu16 @kriyer68 @slusagar @mlage @D4L14H @DrFNA
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58 F skin lesion on left occipital scalp. No tumor anywhere else in the body #dermpath #dermtwitter #BSTpath #PathTwitter @HENRYY_MD @vhnguyenmd @Coluchkaaaaa @DrGeeONE @JamesSampson123 @Meghna0630 @PoojaSMD @MELanocyteMD @forthejon
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Older F, #GIpath w/ liver lesions. What do you think? @RamiImamMD – at Manhattan, NY
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Replying to @Simon_Path
On KiKo, you can see them all under the content tab in my profile.
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Last day on @GIpath rotation. Cancer or no cancer? Older woman w/ thickened stomach folds. @Jimmy95613626 – at Manhattan, NY
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Gynecologic PEComa (Malignant):
🔬 Spindle + epithelioid cells
🔬 Nests, sheets, fascicles
🔬 Atypia: low to anaplastic
🔬 ≥1 pattern of invasion
📝 Grading [see table]
🎨 Melanocytic + smooth musc IHC
🧬 TSC1/2 mutn, TFE3 fusion
#gynpath #bstpath #pathtweetorial @EmoryPathology
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Large bowel, polyp.
@ZHOUSEH @MattieFarzin @RunjanChetty @ariella8 @CArnold_GI @Dr_Brian_Cox @DrGeeONE @pembeoltulu
#GIpath #surgpath #PathTwitter
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Neck
@ZHOUSEH @MattieFarzin @JMGardnerMD @ariella8 @01sth02 @DrGeeONE @MAHoureih @histiocytosisX @Teclis82
#BSTPath #surgpath #PathTwitter
Replying to @Meghna0630 @mreyesm @MArnold_PedPath @marenwhymd @AmyHDeekenMD @dinesh_rakheja @emckaymd @ERDENEROZER @vhnguyenmd @TristanRutland7 @ariella8 @martiponi @kis_lorand @vi_monappa @DrGeeONE @SocPediPath @nusrat_xahra @Pathmath1 @ALBoothMD @Dramanyhassany1 @AMubeen_Path @CatrionaMckenz5 @SameeraAnsar2 @ZHOUSEH @WebPathology @bansar7
Bingo! Yes Meghna 👏 Not an easy field to recognize Hepatoblastoma. 1- Melanin can be identified in Hepatoblastoma, although rare (a teratoid feature) 2- Hepatoblastoma may show rosettes in the embryonal type and those may be reminiscent of neuroectodermal elements. More images👇
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#bladdercancer w/features diagnostic of superficial pT1 (lamina propria) invasion
▶️ small, irregular nests
▶️ "paradoxic differentiation"=tumor cells more pink cytoplasm than in non-invasive component
▶️ retraction
▶️ loss of capillary network/"cuff" around tumor nests #gupath














































































