ViewsIQ
1200 W 73rd Ave #1100 V6P 6G5 Vancouver, BC, Canada

Myoepithelioma: Benign parotid tumor, composed entirely of myoepithelial cells without ductal component. Well-circumscribed, slow growing. Histology- spindle, epithelioid or plasmacytoid cells. Lack chondromyxoid stroma. IHC- panCK, CK7, p63, S100, GFAP, actin, calponin positive.

Atypical lipomatous tumor, inflammatory subtype. Most common liposarcoma, arises in deep soft tissue of limbs, retroperitoneum. Sheets of adipocytes with atleast focal hyperchromasia & nuclear atypia. Dense lymphoplasmacytic infiltrate. MDM2 amplification

Do you know all of the parts of a normal hair follicle? Quiz yourself then check answer here: https://kikoxp.com/posts/3661. Learn more normal skin #histology ...in my video: https://kikoxp.com/posts/3660 #Pathology #dermpath #dermatology #dermatologia #dermtwitter #usmle #MedStudentTwitter See more

#PathPitfall, Space Edition: Asteroid bodies are beautiful but nonspecific- classically associated with sarcoidosis, but can be seen in other entities such as treated SCC in a lymph node (as in this case)