Thursday #dermpath special. 😆🔬
In my practice this kind of low-power look on H&E suggests BPDCN until proven otherwise (as it’s so common here), but this time it’s different and HP gives some morphologic clue!
Cutaneous involvement by plasma cell myeloma
See IHC/ISH below.
So cool when you read about something and then it pops up under your scope. This is a good example of the blue keratinocytes seen in epidermodysplasia verruciformis.
#dermpath#dermatology#Pathtwitter#medtwitter
Young patient with history of recurrent GI bleeds presents with a small bowel obstruction and this finding ⬇️
What is the diagnosis?
#GIBoards#GITwitter#MedTwitter#GIPearl
20 YOF with symmetrical blue black patches on the face, shoulders, posterior trunk.
Noticed in infancy.
Dermal melanocytosis (Nevus of Ota and Ito)
🔬:Dendritic melanocytes and melanophages "flowing in a East-West" direction (found that description cool!
#Dermpath#dermatology
Middle aged man presents with progressive dysphagia, weight loss, cachexia and this finding on his feet.
What is the diagnosis?
#GIBoards#MedTwitter#GIPearl
One of my all-time favorite cases!!! Deep nodule hand. Your diagnosis?
Digital slide: https://t.co/n6UlAQfsro.
PAS, GMS, Polarized pics: https://t.co/pVwOZAbx9v.
Answer & video: https://t.co/yXyOxwvven
#pathology#pathologists#pathTwitter#dermpath#dermatology#dermtwitter