Pathnologic @pathnologic
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Path Geek - All things #pathology
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Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Hobnail variant ... of PTC: micropapillary ... cytoplasm, hobnail cells ... #Papillary #Thyroid ... Pathology #Clinical #Microscopy
The many faces of the Hodgkin/Reed-Sternberg (HRS) cell: Even as medical students we are aware of
Reed-Sternberg (HRS ... (RS cell). ... Many variants exist ... ReedSternberg #HRS ... #Clinical #Microscopy
Diffuse Sclerosis Variant—PTC 
 - Rare variant of PTC 
 - Approximately 3% ofall PTC
Diffuse Sclerosis Variant—PTC ... • Carcinoma cells ... around the tumor cells ... #Thyroid #Cancer ... Clinical #Gross #Microscopy
Oncocytic Variant of Medullary Carcinoma
Don't assume every oncocytic thyroid tumor is a Hurthle cell neoplasm! Nested
Oncocytic Variant ... every oncocytic thyroid ... tumor is a Hurthle cell ... for oncocytic variant ... Carcinoma #Pathology #Microscopy
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood cells ... erythrocytes) by his ... #Blood #Smear #Microscopy
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood cells ... erythrocytes) by his ... #Blood #Smear #Microscopy
Prolymphocytes

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

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... flattened follicular cells ... change, Follicular cells ... #Amiodarone #thyroid ... Pathology #Clinical #Microscopy
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
from an elderly pt ... w pure red cell ... Pathology #Smear #Microscopy
A morphologic mosaic of NUT carcinoma: monotonous primitive cells, basophilic to clear cytoplasm, abrupt keratinization, prominent
monotonous primitive cells ... -NUT fusion or variants ... Pathology #Clinical #Microscopy