83 results
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Atlas • Microcytic ... Myelodysplastic syndrome ... Hemolytic uremic syndrome ... #Atlas #key #diagnosis ... #differential #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... Non-lmmune: • HELLP Syndrome ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Myelodysplastic syndrome ... #morphologic #mcv ... #differential #diagnosis ... #causes #hematology
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
, hemolytic anemias ... Crigler-Najjar syndrome ... Hereditary Cholestatic Syndromes ... Dubin-Johnson syndrome ... , Rotor syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... #hematology #anemia
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... #Differential #Diagnosis ... #Dermatology #SkinRash
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
and laboratory diagnosis ... , not a morphologic ... count, D-dimer, egg ... #Hematology #Pathology ... #Smear #Microscopy
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Myelodysplastic Syndromes ... Myelodysplastic syndromes ... formed or don’t work ... (CML) • Felty Syndrome ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... malignancies • Anemia ... Myelodysplastic syndrome ... #Causes #hematology