90 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... (AIHA) Pathophysiology ... or negative - Smear ... C3 positive - Smear ... #Pathophysiology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Smear Analysis ... Megaloblastic Anemia ... #Peripheral #Blood ... #Smear #Analysis
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... sideroblastic anemia ... Path #BloodSmear #Blood ... #Smear #Elliptocyte
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... DIAGNOSE AIHA • Anemia ... type ± C3d • Blood ... smear: Differential ... #diagnosis #management
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... microangiopathic hemolytic anemia ... Microangiopathic hemolytic anemia ... arrow) Peripheral smear ... Hematology #Pathology #Smear
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Diagnosis Algorithm Blood ... Normochromic RBCs on Smear ... • Anemia of Chronic ... Spherocytes on Smear
Here is another peripheral blood smear demonstrating changes with iron deficiency anemia. Note the increased zone
another peripheral blood ... smear demonstrating ... iron deficiency anemia ... PeripheralBloodSmear #BloodSmear #Anemia
Spur-Cell Anemia- A 31-year-old man with a history of cirrhosis, recurrent hepatic encephalopathy, and anemia presented
..A peripheral-blood ... smear showed numerous ... resolve despite blood ... #peripheral #blood ... #smear
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... • Peripheral blood ... smear + DAT + further ... → Sickle Cell anemia ... Microangiopathic hemolytic anemia
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
metaplasia, pernicious anemia ... Path #BloodSmear #Blood ... #Smear #Dacrocytes