37 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... Epithelial Cells - Renal ... Hyaline Cast - WBCs ... Granular Casts - WBC ... Cast - RBC Cast
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Pathologic Red Blood ... Cell (RBC) Morphologies ... cell, Other RBC ... Howell-Jolly bodies #RBC ... Morphologies #Key #Atlas #Microscopy
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... dysmorphic RBC’s, RBC ... /WBC casts, proteinuria ... suggest intrinsic renal ... #Macroscopic #Differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... Reticulocytosis • Renal ... Normocytic #Anemia #Differential
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
rings, <1/3 size RBC ... Multiple rings/RBC ... rings, ≤ 1/3 size RBC ... Identification #Algorithm #pathology ... #smear #microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Hematuria: 3 or more RBC ... hematuria: - RBC ... - Dysmorphic RBC ... #Hematuria #Differential
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... urine sediment - WBC ... /RBC casts ... polyangiitis (GPA) / microscopic ... Proteinuria #Nephrology #Differential
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
== Decreased RBC ... Glucose Content • RBC ... Reduction == Increase RBC ... • End-stage renal ... Dilutional Effect • RBC
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
expression of Kell RBC ... Syndrome #Smear #Pathology ... #Microscopy #Clinical
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... Morphology Microcytic RBC ... Bite Cell RBC: G6PD ... #Morphology #differential ... diagnosis #hematology #microscopy