Top Tweets for #LessonsfromtheFridayUnknowns
#LessonsFromtheFridayUnknowns T-cell histiocyte-rich large B-cell lymphoma with unusual CD30 expression, shown to us by @ljmedeirosMD during #LJMFridayUnknowns ➡️https://t.co/wPhotCi38A #hemepath #lymsm #PathTwitter @KirillLyapichev @RMirandaMD

#LessonsfromtheFridayUnknowns follicular lymphoma (FL) with a T-cell rich background that could be misinterpreted as T-cell lymmphoma, higher power reveals a sizeable subset of cells (FL cells) negative for CD5, shown to us by @ljmedeirosMD ➡️https://t.co/gN1xuWMrDS #hemepath

#LessonsfromtheFridayUnknowns A case of gray zone lymphoma shown to us by @ljmedeirosMD during #LJMFridayUnknowns ➡️ https://t.co/nFMhlopBwi #hemepath #pathtwitter #lymsm @Dowhankim @KirillLyapichev @SkybhatiaMD @Xiaoqiong_Wang @LianqunQiu @hemepathguy @RMirandaMD

#LessonsFromtheFridayUnknowns Testicular CD5-NEGATIVE Mantle Cell Lymphoma with Blastoid & Pleomorphic Features, a case that will certainly keep you on your feet: Unexpected location (testicle) & CD5 negativity point toward other diagnoses first➡️https://t.co/wn1WELE4Yf #hemepath

#LessonsfromtheFridayUnknowns High grade DLBCL with an intravascular component by
@ljmedeirosMD➡️ https://t.co/cHIlPl8tjO
Lymphomas with intravascular pattern shared by @hemepathguy :
Intravascular LBCL;HSTCL;TLGLL;NK/T cell lymphoma;SMZL;some PTCL & DLBCL #hemepath #PathTwitter

#LessonsfromtheFridayUnknowns Primary cutaneous large B-cell lymphoma, leg type strongly express BCL2, IRF4/MUM1 & FOXP1 unlike primary cutaneous follicle center lymphoma, case shown to us by @ljmedeirosMD during #LJMFridayUnknowns ➡️https://t.co/8XIlRp6hDM
#hemepath #pathtwitter

#LessonsfromtheFridayUnknowns Nodal MZL replacing follicles and mimicking FL. Clues to dx: Monocytoid cells and disrupted FDC meshworks. Shown by @ljmedeirosMD & @SkybhatiaMD during #LJMFridayUnknowns➡️ https://t.co/CNQyezSNbH @KirillLyapichev @RMirandaMD #hemepath #PathTwitter

#LessonsFromtheFridayUnknowns Sprinkled background lymphocytes are suggetsive of underlying FDCS vs other types of spindle cell/storiform sarcomas, case by @ljmedeirosMD & @SkybhatiaMD from #LJMFridayUnknowns ➡️https://t.co/jlEZa8PCJn @KirillLyapichev #hemepath #PathTwitter

Answers to unknown:
1. FDC sarcoma
2. LBL with scattered EBV
3. MZL
4. Burkitt
5. MZL
#PathTwitter #lymsm @SibaElHussein @KirillLyapichev @LianqunQiu @SkybhatiaMD @sanamloghavi
#lessonsfromthefridayunknowns Relapsed CHL with syncitial features and prominent intrasinusoidal involvement + discussion about grading systems by @ljmedeirosMD during #LJMFridayUnknowns➡️ https://t.co/eQD5adZ2uY
#hemepath #pathtwitter #lymsm
@KirillLyapichev @RMirandaMD

Answers to unknown:
1. NS-HL, grade 2
2. AITL
Clear cells in hemepath: AITL, marginal zone, hairy cell, mast cell, macrophage...
3. MCL
4. Sclerosing angiomatoid nodular transformation; EMH
Similar case (case 3):https://t.co/8x9FHaGz5w
5. ALCL
#PathTwitter @SibaElHussein
#LessonsfromtheFridayUnknowns relapsed CD3+ pleomorphic mantle cell lymphoma shown by @ljmedeirosMD during #LJMFridayUnknowns➡️https://t.co/prZIPg0IXl
#hemepath #PathTwitter #lymsm
@KirillLyapichev @RMirandaMD @SkybhatiaMD @Dowhankim @LianqunQiu @henryhmo @ShaoyingLiMD @FVega957

#LessonsfromtheFridayUnknowns relapsed classic Hodgkin lymphoma with loss of CD30 expression in the setting of Brentuximab therapy, shown by @ljmedeirosMD during #LJMFridayUnknowns ➡️ https://t.co/ueGIAtYiEZ #hemepath #pathtwitter #lymsm
@KirillLyapichev @RMirandaMD @Dowhankim

#LessonsfromtheFridayUnknowns CHL with syncitial features and diffuse strong CD30 expression,mimicking ALCL, shown to us by @ljmedeirosMD during #LJMFridayUnknowns➡️ https://t.co/iCDhg9OKlT
@KirillLyapichev @RMirandaMD @Dowhankim @Xiaoqiong_Wang
#hemepath #pathtwitter #lymsm

#LessonsFromtheFridayUnknowns about half of polymorphous PTLD cases are polyclonal and can regress, unlike cases of monomorphous PTLD. Case shown by @ljmedeirosMD during #LJMFridayUnknowns➡️https://t.co/yPy4RK4Yoj #hemepath #pathtwitter #lymsm @KirillLyapichev @Xiaoqiong_Wang

#LessonsfromtheFridayUnknowns AITL is morphologically the CHL of T-cell lymphomas, classic case shown by @ljmedeirosMD
during #LJMFridayUnknowns + notes and discussed articles➡️https://t.co/CLa64Bi9y1
#hemepath #pathtwitter #lymsm
@KirillLyapichev @RMirandaMD @Xiaoqiong_Wang

#LessonsfromtheFridayUnknowns cases of myeloid sarcoma with monocytic differentiation are not uncommonly mistaken for ALCL upon mophologic assessment (bilobed horseshoe-like nuclei), case shown by @ljmedeirosMD during #LJMFridayUnknowns ➡️https://t.co/b5jepsTlQA
#hemepath

Answers to unknown:
1. AITL, pattern III
2. Pediatric FL
3. Kikuchi
4. EBV+ polymorphic PTLD
Similar case: https://t.co/2fjVuQc24b
EBV MCU (case 2) progressed into EBV+ LPD (case 3)
5. Myeloid sarcoma with MLL
#PathTwitter #hemepath #lymsm @SibaElHussein @SkybhatiaMD
#LessonsfromtheFridayUnknowns Pediatric-type FL: "A node in a node", case shown to us by @ljmedeirosMD during #LJMFridayUnknowns➡️ https://t.co/1FODtYfWny
#hemepath #PathTwitter #lymsm
@KirillLyapichev @RMirandaMD @Xiaoqiong_Wang @LianqunQiu @SkybhatiaMD @Dowhankim

#LessonsfromtheFridayUnknowns CHL demonstrating numerous Hallmark-like cells and a sinusiodal pattern of infiltration shown to us by @ljmedeirosMD during the #LJMFridayUnknowns➡️https://t.co/3iqE5XtbNa
#hemepath #PathTwitter #lymsm
@KirillLyapichev @RMirandaMD @Xiaoqiong_Wang

#LessonsfromtheFridayUnknowns myeloid sarcoma involving breast tissue shown to us by
@ljmedeirosMD during #LJMFridayUnknowns
✅Pitfall: Blastoid cells could be misinterpreted as high grade B-cell lymphoma, CD43 to the rescue➡️ https://t.co/KdAWEP81HI #hemepath #pathtwitter 🩸🔬

#LessonsfromtheFridayUnknowns intravascular large B-cell lymphoma involving liver sinuses shown to us by @ljmedeirosMD during the #LJMFridayUnknowns ➡️ https://t.co/KEwSsn8vpV
#hemepath #pathtwitter @KirillLyapichev @RMirandaMD @Xiaoqiong_Wang @SkybhatiaMD @Dowhankim @LianqunQiu

#lessonsfromthefridayunknowns Castleman Disease, Hyaline Vascular Type: Germinal center depletion + BCL2 positivity in surrounding follicular cells may be mistaken for low grade follicular lymphoma in limited biopsies➡️
https://t.co/JIdBE91U6H
#hemepath #pathtwitter

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