31 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... disorders • Celiac ... effect following treatment ... Iron deficiency anemia ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Vasculitides, IBD, Celiac ... #hematology
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
Clinically ... Diagnosis and Treatment ... Algorithm Matthew ... Ho, MD PhD @MatthewHoMD ... #HES #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
- Differential ... Gastrectomy, WHDA syndrome ... - Structural: Celiac ... TPN Matthew Ho ... #ferritin #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Diagnosis Algorithm ... Megakaryopoiesis • Aplastic Anemia ... ITP • SLE • CLL ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... ) (e.g. lupus, CLL ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... • Neutropenia, anemia ... microglobulin Treatment ... • Richter’s Syndrome ... workup #oncology #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Diagnosis Algorithm ... Immune-Mediated • Warm ... • Sickle cell ... immune-complex hemolytic anemia ... #Causes #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Who? ... factor (GCSF) treatments ... blood count with differential ... marrow studies Treatment ... #diagnosis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... - Autoimmune: Warm ... Drug-associated, PCH, Evans Syndrome ... anemia, Thalassemias ... #Diagnosis #hematology