UTROSCT *⃣Pattern similar to SCTs *⃣ May be at the base of adenosarcomas *⃣ ESR1 and GREB1 Fusions *⃣ Necrosis, mitoses >2/10, ESR1 with rhabdoid diff, GREB1 fusion: RECURRENCE #GynPath #GynPathQuiz Last two photos from Dr Bennett's @pathcast lecture: youtube.com/watch?time_con…

Prostate cancer...or...benign prostatic hyperplasia? ➡️Answer: Prostate cancer, pseudohyperplastic (One clue: nucleoli in the high mag image!) #GUpath #pathology #prostate #oncology #urology

I’ve compiled the key aspects of B-lymphoblastic leukemia/lymphoma (B-ALL/LBL) into a single sheet. I hope you find it informative and useful! #Hemepath #Pathology #leusm

Breast Histologic Variants of Invasive Lobular Carcinoma (ILC) -Many of these variants coexists and could be difficult to separate one from the other New variants (WHO 6th edition) -ILC with extracellular mucin -ILC with solid papillary growth Dr. Sahin #USCAP25 #pathology

There’s a cell on 🔥 🔍 What’s your diagnosis on this #prostate tumor #GUPath tweeps? #OnePicDx Answer in comment 👇👇👇

#USCAP2025 w/ Dr Voltaggio Identifying 4 lines helps avoid missed dysplasia in upper GI & reduces equivocal cases → fewer interventions. Loss of lines = dysplasia. 4 Lines: 1.mucin cap 2.bottom of mucin cap 3.cytoplasm 4.nuclei #PathWebinarPearls

Breast- Adenomyoepithelioma (AME) Genetic subtypes of AME vary by ER status - ER + or low+: PIK3CA or AKT1 - ER low or neg: HRAS and PIK3CA Most malignant AME develop from ER - AMEs Dr. Brogi- Contemporary Issues in Breast Pathology #USCAP #pathology #PathX

Tall cell carcinoma with reverse polarity (TCCRP) - Solid and papillary patterns - Immunoprofile is similar to UDH-ER low, CK 5/6 mosaic - Include TCCRP in the differential diagnosis of "papilloma/atypical papilloma" Dr. Brogi- Contemporary Issues in Breast Pathology #USCAP

Mass General Brigham Pathology MGH Pathology Nephrogenic adenoma #GUpath ▶️Benign lesion with evidence of derivation from shed renal tubular cells after urothelial injury (PMID: 12200552); historically considered a metaplastic response (PMID: 16998318) ▶️Sites: ~80% bladder, ~15% urethra, ~5% ureter; rare in renal pelvis

Breast-What about the term Invasive Papillary Carcinoma (IPC)? WHO 6th edition (expected change-not published yet) - Most cases reported as IPC are in fact Encapsulated Papillary Carcinomas (EPC) or Solid Papillary Carcinomas (SPC) or mets - Carcinomas with growth pattern

Alright, we have this cutie 🥰 ! I now have a better idea of the potential organ identification from this entomological autopsy. #pathology #pathologists #pathTwitter #dermpath #dermatologia #dermtwitter #entomology

Mass General Brigham Pathology MGH Pathology Myoid gonadal stromal tumor #GUpath #ISUPCaseOfMonth ➡️Rare spindle cell neoplasm of the testis exhibiting myoid differentiation toward intertubular primitive mesenchymal cells ➡️Median age: 42 years (range: 4-59) ➡️Unencapsulated, well-circumscribed ➡️Short fascicles and

Do we grade thyroid cancer? Yes. Poorly differentiated carcinomas: Histologically poorly differentiated tumor with solid, trabecular, or insular pattern of growth with - Convoluted nuclei, or - ≥3 mitoses per 2 mm², or - Tumor necrosis If you have solid, trabecular, or

Patients with squamous cell carcinoma and margin evaluation in retromolar trigone -frozen sections pitfall ⚠️ Juxtaoral organ of Chievitz: - Benign epithelial cords in nerve rich stroma - Lobulated - Well circumbscribed nest, cytologically bland Dr. Nishino- 2025 Diagnostic

If an endometrial tumor involves the underlying connective tissue below the mesothelium (subserosa), it is considered serosal involvement for staging purposes, even if the uterus is grossly intact. pT3a FIGO 2023: IIIA2: Involvement of uterine subserosa or spread through the

Endometrial carcinoma involving the fallopian tube is pT3a. But what happens when tumor cells are seen in the fallopian tube lumen, unattached to the wall? "The presence of detached tumor cells in the tubal lumen should be reported, but this finding per se does not upstage

adult human presents with perinephric mass, excised

60s F with a cystic urachal lesion. Diagnosis? #PathTwitter Mass General Brigham Pathology MGH Pathology

Thoughts delivered through art. #pathart