21 results
SMARCB1-deficient sinonasal carcinoma: high grade tumors with varying proportions of basaloid and plasmacytoid/rhabdoid cells; CK+, SMARCB1
deficient sinonasal carcinoma ... synapto; aggressive clinical ... deficient #sinonasal #Carcinoma ... #Pathology #Microscopy ... #Clinical
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
lymphomas, head and ... squamous cell carcinomas ... diagnosis: Thyroid ... mycobacterial/fungal ... Squamous cell carcinoma
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
apical nuclei, and ... BRAF V600E, TP53, and ... PTC #Papillary #Thyroid ... #Carcinoma #Pathology ... #Clinical #Microscopy
This macrofollicular thyroid tumor is so very bland... but so perfectly invasive! You can really never
macrofollicular thyroid ... for follicular carcinoma ... macrofollicular #thyroid ... tumor #Invasive #Pathology ... #Microscopy #Clinical
Oncocytic Variant of Medullary Carcinoma
Don't assume every oncocytic thyroid tumor is a Hurthle cell neoplasm! Nested
Variant of Medullary Carcinoma ... every oncocytic thyroid ... speckled chromatin, and ... #Pathology #Microscopy ... #Clinical
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
DIC is a clinical ... and laboratory ... non-specific red cell fragments ... anemia #Hematology #Pathology ... #Smear #Microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
is a systemic fungal ... , Lymph Nodes, and ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Nocardia) - Endemic Fungi ... - Bronchogenic Carcinoma ... polyangiitis, microscopic ... - Eosinophilic PNA ... diagnosis #pulmonary #differential
Sarcoid in the Thyroid - Pathology

Not all thyroid granulomas are subacute thyroiditis- this is sarcoidosis! Can
Sarcoid in the Thyroid ... - Pathology Not ... granulomas have an ... #Pathology #Microscopy ... #Clinical
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... scalloping, and ... #Amiodarone #thyroid ... thyrotoxicosis #AIT #Pathology ... #Clinical #Microscopy