Pathnologic @pathnologic
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Path Geek - All things #pathology
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Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
overt cytoplasmic granules ... I see all of these ... promyelocytic #leukemia #APL ... #APML #Pathology ... #Hematology #Clinical
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
abundant cytoplasmic granules ... promyelocytic leukemia (APL ... decreased secondary granules ... In addition to APL ... Rods #AuerRods #APL
Trichodysplasia spinulosa: follicles plugged w/ hyperkeratotic & parakeratotic debris, excessive inner root sheath differentiation towards keratinization.
cytoplasmic trichohyalin granules ... Pathology #Microscopy #Dermatology
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
of crystallized granules ... myelogenous leukemia (AML ... Rods #AuerRods #AML
These are granular casts, with a roughly rectangular shape.
#Clinical #Urine #Microscopy #Granular #Casts #GranularCasts
These are granular ... #Clinical #Urine ... #Microscopy #Granular
Hypersegmented neutrophil in a case of acute myeloid leukemia.

Dysplastic neutrophils are typically hypolobated but can be
#neutrophils #AML ... #Clinical #Hematology
Pretty good example of Pemphigus Vulgaris. DIF shows intercellular IgG binding throughout entire epidermis. Note there’s
like it has a granular ... Pathology #Microscopy #Dermatology