34 results
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Cell (RBC) Morphologies ... cell, Other RBC ... Howell-Jolly bodies #RBC ... Morphologies #Key #Atlas #Microscopy ... #Pathology #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Decreased RBC ... Infiltration Increased RBC ... Thalassemia • RBC ... Disorder • RBC ... #Causes #Hematology
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 ... #pathology #smear ... #microscopy #malaria
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Differential Diagnosis Algorithm ... Abnormal peripheral smear ... • Extrinsic RBC ... • Intrinsic RBC ... #hematology
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
expression of Kell RBC ... McLeod #Syndrome #Smear ... #Pathology #Microscopy
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... • Exercise • Fever ... urine sediment - WBC ... /RBC casts ... polyangiitis (GPA) / microscopic
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... Initial labs: CBC ... Reticulocytes, smear ... MAHA likely: • Smear ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... Artifact (redo CBC ... effect following treatment ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Differential Diagnosis Algorithm ... Normal Blood Smear ... Neutrophils - Low RBC ... Pernicious Anemia RBCs ... #Causes #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... C3d • Blood smear ... diagnosis #management #treatment ... #rheumatology