Pathnologic @pathnologic
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Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
granules, and Auer rods ... microgranular variant ... KyleBradleyMD #Auer #Rods ... promyelocytic #leukemia #APL ... #APML #Pathology
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
linear red "Auer rod ... myelogenous leukemia (AML ... #Blood #Smear #Microscopy ... #Auer #Rods #AuerRods ... #AML
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
occasional Auer rods ... consistent with Auer rods ... , Auer rods in neutrophils ... #Blood #Smear #Microscopy ... #Auer #Rods #AuerRods
A morphologic mosaic of NUT carcinoma: monotonous primitive cells, basophilic to clear cytoplasm, abrupt keratinization, prominent
mosaic of NUT carcinoma ... monotonous primitive cells ... -NUT fusion or variants ... LisaRooperMD #NUT #carcinoma ... Pathology #Clinical #Microscopy
Oncocytic Variant of Medullary Carcinoma
Don't assume every oncocytic thyroid tumor is a Hurthle cell neoplasm! Nested
Oncocytic Variant ... of Medullary Carcinoma ... tumor is a Hurthle cell ... for oncocytic variant ... #Pathology #Microscopy
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Hobnail variant ... cytoplasm, hobnail cells ... Papillary #Thyroid #Carcinoma ... Pathology #Clinical #Microscopy
The many faces of the Hodgkin/Reed-Sternberg (HRS) cell: Even as medical students we are aware of
Reed-Sternberg (HRS) cell ... Reed-Sternberg cell ... (RS cell). ... Many variants exist ... Pathology #Clinical #Microscopy
SMARCB1-deficient sinonasal carcinoma: high grade tumors with varying proportions of basaloid and plasmacytoid/rhabdoid cells; CK+, SMARCB1
deficient sinonasal carcinoma ... plasmacytoid/rhabdoid cells ... deficient #sinonasal #Carcinoma ... #Pathology #Microscopy
Salivary acinic cell carcinoma is usually an H&E diagnosis for me- but this zymogen-granule poor variant
Salivary acinic cell ... carcinoma is usually ... zymogen-granule poor variant ... Salivary #Acinic #Cell ... #Microscopy #Clinical
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
Myeloid Leukemia (AML ... 🔬Tumor cells are ... size lymphoid cells ... Peripheral #Pathology #Microscopy