PITFALL ALERT ! Not every case with CD34 and Stat6 positive will be a Solitary fibrous tumor! Recurrent back tumor. Final Dx: Dedifferentiated Liposarcomas (With a Solitary Fibrous Tumor-like Morphology) #Bstpath #pathology

Syphilis lymphadenitis. Reactive follicles, interfollicular plasmacytosis, and capsular thickening and fibrosis with infiltration by lymphocytes and plasma cells. Photos courtesy of Dr. Roger Warnke.

Hilar lung mass, Adult male, smoker. #pulmpath #LungCancer

38 yrs male #grossognosis #GrossPath #pathology #Pathboards #pathologists

“2017 WHO Update” topic: hairy cell leukemia variant Kyle Bradley, MD HCL-v is a type of splenic B-cell leukemia/lymphoma, along with splenic diffuse red pulp small B-cell lymphoma. HCL-v morphology and phenotype resemble HCL, but the disease is biologically different. #hemepath

~30M with neck lymphadenopathy. Core biopsy. Thoughts and what would you like to see? #Pathology

Alterations in β-catenin, microsatellite instability, and HNF-1β levels are independently associated with ovarian endometriosis–associated tumorigenesis sciencedirect.com/science/articl…

HV CD #hemepath #pathology

Digital Papillary Adenocarcinoma an aggressive entity

Check out this cool cutaneous PEComa! From the American Registry of Pathology, home of the AFIP Fascicles. arppress.org

smsj.ca/Announcements/…

67 y/o female "sigmoid mass"🤔🔬 #pathology #GIpath

First report of complete autopsies in the English language peer-reviewed literature was just published online in AJCP Free. Open access. Please read the complete report and share widely. #pathology #pulmpath academic.oup.com/ajcp/advance-a…

Stunning Castleman's histology

Cervical lymphadenopathy in a 36yom --> follicular dendritic cell sarcoma #pathology #hemepath #immunostaining Sanjay Mukhopadhyay Andrew Bellizzi 🇺🇦 Nicole D. Riddle, MD, MSHI, FCAP (she/her) @HandNPath Jerad Gardner, MD Adam L. Booth, MD @histiocytosisX Miguel Reyes-Múgica Daniela Hermelin, MD Karen Pinto DNB, FRCPath J. Bish

Not all myxoid tumors of the parotid are PA.

#neuropath #pathology

Spot diagnosis. Painful lesion of the toe. #pathology #bstpath

All you need to know about #SMARCA4 also known as #BRG1 immunostain #pathology #IHCpath

Flight get delayed for 8h, so here is a case for entertainment: 10cm anterior mediastinal mass in a 50M. #pulmpath #guessognosis DX & IHCs