Pancreatic cancer: basic facts for residents Pancreatic ductal adenocarcinoma, acinar cell carcinoma, pancreatoblastoma, PanNET, PanNEC, solid pseudopapillary neoplasm #MakeSuriPathEasy# #BasicFactsForResidents#

How to report intestinal metaplasia when you receive specimens labeled as -Distal esophagus: Barrett's esophagus (BE) -Squamocolumnar junction or Z-line: Consistent with Barrett's esophagus if biopsies were taken proximal to Gastroesophageal junction (GEJ) -GEJ: Do not diagnose

51 y.o. M, orchiectomy. What is your diagnosis? Mass General Brigham Pathology MGH Pathology

Normal vs. Dysplastic Urothelium – Can You Spot the CK20 Difference? 🔬 ✅ Normal Urothelium: CK20 is typically restricted to the umbrella cell layer. ⚠️ Urothelial Dysplasia: CK20 may show aberrant staining, extending beyond the superficial layer.

Falciform ligament, adult female #Gynpath #GIpath #Pathtwitter #Pathresidents

#USCAP is always a good idea 😍🇺🇸 #Pathology #pathTwitter #pathX #pathresidents

A cute pulmonary hamartoma #PathTwitter #pathX #pathology #pulmpath #pathresidents

Mucinous breast carcinoma #pathology #PathTwitter #pathX #breastpath #pathresidents

🍄‍Candida albicans has pseudohyphae. Pseudohyphae have PINCHED points without true branching. If it looks 👀🔬 like a balloon animal with PINCHED points, think pseudo-hyphae #pathx #microx #pathology #medstudent #medx #microbiology #candida

CD117 positive chromophobe renal cell carcinoma 🪴 #pathology #PathTwitter #pathX #uropath #pathresidents

PLEOMORPHIC LCIS: Can display comedo necrosis/ calcification, resemble high grade DCIS BUT Displays cellular Dyscohesion, Cytoplasmic vacuoles, Signet ring morphology. Criteria: nuclei > 4 times the size of a lymphocyte / equivalent to the cells of high-grade DCIS

Pancreatic IPMN, gastric type #pathology #PathTwitter #pathX #pathresidents #GIpath

Muscularis mucosae-based leiomyoma #pathology #PathTwitter #pathX #pathresidents #GIpath

5/ Not all dysplasia is MDS. Common mimics of MDS include: — Alcohol or drug toxicity — Autoimmune cytopenias — Copper or B12 deficiency — HIV — Congenital dyserythropoietic anaemia — Leishmaniasis

Epithelioid mesothelioma infiltrating muscle fibres #pathology #PathTwitter #pathX #pathresidents

A Day in the Sign Out- GU Path Gleason pattern 3: Doughnut-like structures Gleason pattern 4: Cinnamon roll like structures and poorly formed glands. Lot of subjetivity in this pattern, there is more than one correct answer most of the time Gleason pattern 5: Doughnut holes

36 yo female, inguinal lymph node. Look at the beautiful BCL2 negative microfillcles: H&E, CD20, CD3 and BCL2. What immunostain besides CD10 and BCL6 would you expect to be positive? Answer inside 😉

Bone marrow involvement by Hodgkin lymphoma (stain is MUM) #pathology #PathTwitter #pathX #hemepath #pathresidents

Many faces of Hodgkin and Reed-Sternberg cells #path #medicine #lymphoma

Usual Ductal Hyperplasia-helpful HE clues - Nuclei is variable and touch the lumina (pic 1) - Pink intranuclear pseudoinclusions (pic 2) - Nuclear grooves (pic 3) Dr. Cimino-Mattews-Contemporary issues in Breast Pathology #USCAP #PathX #pathology