83 results
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
linear red "Auer rod ... of crystallized granules ... Microscopy #Auer #Rods
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
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 ... decreased secondary granules ... consistent with Auer rods ... Microscopy #Auer #Rods
Gram Negative Bacteria - Identification Algorithm
- Rods (Bacilli)
- Cocci (Diplococci)
- Coccobacilli
- HACEK Group

By Dr. Colleen S.
Identification Algorithm - Rods ... Cocci #Bacilli #Rods
Gram Positive Bacteria - Identification Algorithm
Cocci 
  - Catalase +
     -
Gamma-Hemolysis Rods ... Cocci #Bacilli #Rods
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Positive: • Rods ... Negative: • Rods
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
gram-negative encapsulated rods ... Gram-negative rods ... Gram-negative rods
Cephalosporin Coverage
First-generation cephalosporins: 
 - Gram (+) cocci: Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pneumoniae, Streptococcus pyogenes,
streptococci - Gram (-) rods ... gonorrhoeae - Gram (-) rods ... gonorrhoeae - Gram (-) rods
Auer Rods - Bone marrow aspiration revealed 5% blasts and 65% promyelocytes; many promyelocytes had prominent
Auer Rods - Bone ... prominent Auer rods
Dacrolith Eyelid Expression 
Chronic canuliculitis typically presents with recurrent unilateral epiphora and a pouting punctum. Other
form which are “concretion-like ... ” sulphur granules ... These sulphur granules ... anterior_seg_rocks #Dacrolith #granule