Isidro Machado MDPhD retweeted
H&E morphology matters! The @COGorg Rhabdomyosarcoma group identified 2 of ~300 cases in ARST1431 that were distinctive, with tingible body macrophages. Additional research testing found a common molecular thread - high amplification of MYCL
onlinelibrary.wiley.com/doi/…
#PediPath
Isidro Machado MDPhD retweeted
Finally, a histologic biomarker for USP6-associated tumors, led by Margarita Muñoz de Toro @StanfordPath:
pubmed.ncbi.nlm.nih.gov/4285…
A new technique also highlighted in the excellent recent work by Dinh et al:
pubmed.ncbi.nlm.nih.gov/4250…
#BSTpath
Isidro Machado MDPhD retweeted
Virchows Archiv reports on four basaloid epithelial tumors with EWSR1 fusions, expanding the understanding of their relationship to syncytial myoepitheliomas and Ewing sarcoma. The study highlights diagnostic challenges in these cases.
bit.ly/4imxUgL
Isidro Machado MDPhD retweeted
Alveolar soft part sarcoma of the female genital tract is very rare. This useful study reports the clinicopathological and molecular features of 26 cases. #gynpath #pathX
doi.org/10.1111/his.70302
Isidro Machado MDPhD retweeted
A review of 280 myxoid liposarcoma cases shows that nuclear grading outperforms traditional grading methods in assessing tumor behavior. This study highlights the need for improved prognostic criteria in MLPS management.
bit.ly/4s8kWXi
Isidro Machado MDPhD retweeted
La Dra. Cleofé Romagosa y el Dr. Tulio Silva valoran muy positivamente el 3.º Curso IMPERAS de Sarcomas, destacando el alto nivel de los participantes y el compromiso del profesorado.
Gracias a todos por compartir conocimiento y seguir impulsando la formación en sarcomas.
Isidro Machado MDPhD retweeted
Dedifferentiated and undifferentiated melanomas remain underrecognized with significant treatment implications - @aubre_gilbert shows that PD-L1 can provide a useful diagnostic hint (not just a predictive marker!). @StanfordPath @JHUPath
New in #HumPathol: Sarcomatoid malignancies with strong PD-L1 expression often represent dedifferentiated or undifferentiated melanomas. sciencedirect.com/science/ar… #pathology #PathTwitter #PathX #BSTpath
Thank you to the Japanese Society of Pathology for organizing a great IAP 2026 meeting in Fukuoka, Japan! Looking forward to hosting the 2028 IAP in Toronto, Canada. @IAPCentral
Isidro Machado MDPhD retweeted
New in #HumPathol: Sarcomatoid malignancies with strong PD-L1 expression often represent dedifferentiated or undifferentiated melanomas. sciencedirect.com/science/ar… #pathology #PathTwitter #PathX #BSTpath
Isidro Machado MDPhD retweeted
🚨New #sarcoma paper 📄
Inflammatory rhabdomyoblastic tumor (IRMT) has a very distinctive genomic progression: NF1 as the clonal driver > near-haploidy targeting typically CDKN2A/p16 > WGD progression to rhabdomyosarcoma
👇🏼👇🏼👇🏼
New work on inflammatory rhabdomyoblastic tumor (IRMT) from a multicenter @proyectoimperas collaboration!
NF1 association, near-haploidy, and CDKN2A/p16 loss & WGD in progression to rhabdomyosarcoma.
doi.org/10.1016/j.prp.2026.1…
#Pathology #Sarcoma #IRMT
Isidro Machado MDPhD retweeted
See the lineup of speakers for the short course and slide seminar programming on dermatopathology at the IAP International Congress, Fukuoka, Japan, October 2026. Register now at iap2026.com/index.html. #pathology #dermpath
Isidro Machado MDPhD retweeted
An update on novel and emerging cutaneous soft tissue tumours, from two expert pathologists. Interesting reading, even if you do not practise dermatological or soft tissue pathology. #OpenAccess #PathX #dermpath #molpath
doi.org/10.1111/his.70262
Isidro Machado MDPhD retweeted
🔬 Excited to join Dermpedia Consults today at 3 PM EST for Cases Extraordinaires — and very happy to be joining Dermpedia as a Consultant going forward!
Looking forward to discussing challenging dermpath cases.✨
#Dermpedia #Dermatopathology #Dermpath #Pathology
Isidro Machado MDPhD retweeted
Amazing sessions ! @MGBpathology
See the lineup of speakers for the short course and slide seminar programming on bone and soft tissue pathology at the IAP International Congress, Fukuoka, Japan, October 2026. Register now at iap2026.com/index.html. #pathology #BSTpath
Isidro Machado MDPhD retweeted
La Dra.Romagosa y el Dr. Silva hacen balance del 5.º Workshop IMPERAS y destacan la valoración positiva de la jornada y el trabajo colaborativo.
Gracias a patrocinadores, asociaciones de pacientes, entidades financiadoras, ponentes y asistentes
¡Nos vemos el próximo año!
Isidro Machado MDPhD retweeted
#PathQuiz 🔬🫁 #ThoracicPath
A) Synovial Sarcoma
B) SMARCA4-deficient undifferentiated tumor
C) Epithelioid Hemangioendothelioma
D) Primary Pulmonary Myxoid Sarcoma
#Pathology
Clue in caption 🧐
































