214 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Hyaline Cast - WBCs ... - Monomorphic RBCs ... - Dysmorphic RBCs ... Granular Casts - WBC ... Cast - RBC Cast
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Normal/lncreased WBCs ... Macrocytes, Normal RBCs ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... ) - Abnormal RBCs
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... glomerular hematuria (RBC ... or dysmorphic RBCs ... Nephritic #Nephrotic #Syndrome
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Urinalysis >3 RBCs ... of UTI, urine WBCs ... (proteinuria, RBC ... casts, dysmorphic RBCs
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
/ Normochromic RBCs ... TIBC, Hypochromic RBCs ... Decreased RBC ... Thalassemia • RBC ... Disorder • RBC
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
with Abnormal RBCs ... : • Abnormal RBC ... Xerocytosis • RBC
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Neutrophils - Low RBC ... Pernicious Anemia RBCs ... Myelodysplastic Syndromes ... Cells, Normal WBCs
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
red blood cells (RBCs ... serum due to the RBCs ... Smear #Microscopy #RBC
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
red blood cells (RBCs ... serum due to the RBCs ... Smear #Microscopy #RBC
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... Drug-associated, PCH, Evans Syndrome ... 3) Internal (RBC ... Smear ↑ abnormal RBCs