581 results
Pathology - GIST 

Iron pill fragments embedded in the ulcerated mucosa overlying a GIST- I guess
Pathology - GIST ... mucosa overlying a GIST ... Lisa Rooper @LisaRooperMD ... #GIST #Iron ... Fragments #Tumor #Pathology
Olfactory Neuroblastoma Pathology

Morphology and other IHC clinched the diagnosis of olfactory neuroblastoma here. The tumor had
Neuroblastoma Pathology ... Lisa Rooper @LisaRooperMD ... Neuroblastoma #Pathology
SMARCB1-deficient sinonasal carcinoma: high grade tumors with varying proportions of basaloid and plasmacytoid/rhabdoid cells; CK+, SMARCB1
Lisa Rooper @LisaRooperMD ... sinonasal #Carcinoma #Pathology
A morphologic mosaic of NUT carcinoma: monotonous primitive cells, basophilic to clear cytoplasm, abrupt keratinization, prominent
Lisa Rooper @LisaRooperMD ... NUT #carcinoma #Pathology
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Lisa Rooper @LisaRooperMD ... Thyroid #Carcinoma #Pathology
Sarcoid in the Thyroid - Pathology

Not all thyroid granulomas are subacute thyroiditis- this is sarcoidosis! Can
the Thyroid - Pathology ... Lisa Rooper @LisaRooperMD ... Granuloma #Thyroid #Pathology
Pathology - Juvenile Xanthogranulomas

Learned a new pitfall: a subset of juvenile xanthogranulomas are S100+ with emperipolesis
Pathology - Juvenile ... Lisa Rooper @LisaRooperMD ... Xanthogranulomas #Pathology
Corpora Amylacea - Pathology

This olfactory nerve margin looks hypercellular at low power- is it involved by
Corpora Amylacea - Pathology ... Lisa Rooper @LisaRooperMD ... Corpora #Amylacea #Pathology
This polymorphous adenocarcinoma (PLGA) is packed with tyrosine crystals- even in perineural invasion! Beautiful example of
Lisa Rooper @LisaRooperMD ... adenocarcinoma #PLGA #Pathology
This macrofollicular thyroid tumor is so very bland... but so perfectly invasive! You can really never
Lisa Rooper @LisaRooperMD ... tumor #Invasive #Pathology