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Rola Ali, MD Oct 16
1/2 Couldn’t resist sharing this cute cutaneous myxoid lesion! Small nodule on index finger
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Greta Evaristo, MD Oct 17
Probably a but the micro is too mesmerizing not share gross image credit to our excellent PAs 👏🏽
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M Adib Houreih, M.D, DipRCPath 8h
Two sets of images. I would like to know what would people call this lesion: 47👱‍♀️Lesion at the distal end of radius
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Gerônimo Jr. 2h
🧐🔬 - Basic concepts: Once in a post about a basic subject someone said: This is very basic! Ok, I agree, but a lot of the mistakes happen when we skip the basics ...
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Rola Ali, MD 3h
Intraosseous ganglion cyst🌟💫 Thanks 👌🏼 Other DDx of cystic 🦴lesion: 🦴unicameral cyst 🦴aneurysmal bone cyst 🦴epidermoid inclusion cyst 🦴telangiectatic osteosarc Cystic change, however, may also be seen in other bone lesions that are not typically cystic
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Maren Y. Fuller, MD Oct 18
Shared paradigm of BCOR ITD tumors: overlapping histology, BCOR overexpression, as well as genomics & phenotype -Dr Antonescu
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Allison Zemek MD Oct 15
An unusual presentation of Extranodal Rosai Dorfman Disease with impressive emperipolesis. RD-disease can form mass lesions anywhere in the body. S100+ CD1a- DDx: Other histocytic/granulomatous processes like LCH, Sarcoidosis, Erdheim-Chester, TB
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Maren Y. Fuller, MD Oct 18
Ewing sarcoma-like tumors: EWSR1-NFATc2 fusion, May have myxoid histology -Dr Antonescu
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Brendan Dickson, MD Oct 19
ANEURYSMAL BONE CYST. NGS: USP6 fusion product. NB: blood-filled cystic spaces; intervening septa contain reactive bone, fibroblasts, & osteoclast-type giant cells; areas of so-called 'blue bone'.
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Pathology Walker@Auto Tweet Bot Oct 19
Aneurysmal bone cyst. Humeral bone, curettage. HE stain.
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Jerad Gardner, MD Oct 16
Calcifying aponeurotic fibroma. Round cells radiating out from islands of calcified cartilage surrounded by fascicles of fibroblasts. Distal extremity of kids/young adults. In adults, may have abundant cartilage. Pics: Mohamed Abdel Hamid
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Maren Y. Fuller, MD Oct 18
Newly described intra-osseous rhabdomyosarcoma with unique fusions. ❗️caution ❗️ also express ALK (as well as the usual RMS IHC) -Dr Antonescu
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Maren Y. Fuller, MD Oct 18
“If negative molecular result, question the diagnosis of IMT” (by FISH & ARCHER) -Dr Antonescu Also need to know which kinase is driving, as targeted therapy may be available
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Pathology Walker@Auto Tweet Bot Oct 18
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Won W Shon 20h
Giant cell tumor of bone with secondary hemorrhagic cystic change and hemosiderin/hematoidin deposition
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Pathology Walker@Auto Tweet Bot Oct 18
Epithelioid sarcoma. Soft tissue of forearm, resection.
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Randell Arias 24h
Need help on this case. 45/F, L anterior thigh wedge biopsy, t/c soft tissue sarcoma. IHC done are neg. (CK, EMA, BerEp4, S100, CD3, CD20, CD68, SMA, Desm). Thanks for your thoughts. 🙏
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Maren Y. Fuller, MD Oct 18
Newest member of Ewing Sarcoma family: Adimantinoma-like, ddx includes carcinoma -Dr Antonescu
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Alexander Damron, MD Oct 18
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Estef Valdés Oct 18
Hello! I share you a case of a 21 y/o 🚺 with a tumor (20.3 mm x 20.0 mm) in the medial tibial saucer, I think it's an osteoid osteoma. And as the profesor said in Salzburg seminar, there are cases when atypia is the norm 😃What do you think?
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