11 results
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
linear red "Auer rod ... of crystallized granules ... BloodSmear #Blood #Smear ... Microscopy #Auer #Rods
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
Examples of varying granular ... and granular/waxy ... casts: A: coarse granular ... /muddy brown granular ... #Granular #MuddyBrown
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
overt cytoplasmic granules ... , and Auer rods. ... KyleBradleyMD #Auer #Rods ... Hematology #Clinical #Smear
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Granular & “Muddy ... Finely granular ... slightly coarser granular ... muddy brown (mb) granular ... #Granular #MuddyBrown
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
abundant cytoplasmic granules ... occasional Auer rods ... peripheral blood smear ... decreased secondary granules ... BloodSmear #Blood #Smear
Auer Rods - Bone marrow aspiration revealed 5% blasts and 65% promyelocytes; many promyelocytes had prominent
Auer Rods - Bone ... prominent Auer rods ... AcutePromyelocyticLeukemia #Smear
Neoplastic plasma cells with nucleoli (left image) and intranuclear Dutcher body (right image).

Dutcher bodies are round,
bodies are round, agranular ... appear somewhat granular ... Pathology #Clinical #Smear
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Large platelets on smear ... platelet clumping on smear ... Large platelets on smear ... of platelet α-granules ... colored platelets on smear
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
peripheral blood smear ... 50-60 • Auer Rods ... • Peripheral smear ... distinctive primary granules
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Culture and Blood Smear ... Gram negative rods ... Culture #Blood #Smear