BST Path Education

Thigh mass biopsy from young adult. Differential? Next steps? Grade? #BSTpath

More #PediPath, another rare entity: Child with large soft tissue thigh mass. Diagnosis? Next steps? #BSTpath

3 year old patient with history of large orbital mass, s/p chemotherapy and now resection. Diagnosis? #pedipath #pedspath #BSTpath #BSTpatheducation #pathtwitter

Let's keep it going with back to school week. Adult patient: what is the site and diagnosis? #BSTpath #pathtwitter

Since it's back to school season: this one's a foot mass from a toddler. Your diagnosis? Anything else in the differential? #pedipath #pedspath #BSTpath #dermpath

Was on vacay with MrsPathBst (#WorkLifeBalance), now back with this classic case: adult patient, diffuse sclerotic L1 vertebra. #BSTpath #BSTpatheducation (Outstanding images courtesy of @JMcMahonG)

40 year old man. What is the diagnosis? Can you figure out the site? Let's get those #MSKrads and #BSTpath skills to work. #BSTpatheducation Images courtesy of @kells108

Great thoughts everybody. IHC negative for multiple keratins and melanoma markers (S100 protein, SOX10). Shown here is CD34. Thoughts? #BSTpath #dermpath

That last one was a zebra, let's recover with a shoulder lesion in a teenager. Any IHC? What's in the differential? #dermpath #BSTpath #BSTpatheducation

Additional photos and hints: @raulperret has published on this tumor and @LizMontgomeryMD was one of the first to describe.