13 results
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Features of hematologic ... hepatomegaly • Labs: anemia ... , ↑ MCV, ↑/↓ platelets ... Matthew Ho, MD PhD ... Diagnosis #Algorithm #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia ... - Differential ... Matthew Ho, MD PhD ... Diagnosis #Algorithm #hematology ... #platelets
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
receptor] • Thrombocytopenia ... chain IIA • Thrombocytopenia ... Defects #comparison #table ... #differential # ... diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Thrombocytosis - Elevated Platelet ... Count - Differential ... hemolysis, deficiency anemia ... Matthew Ho, MD PhD ... #Differential #
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... (AIHA) - Differential ... Diagnosis Table ... Matthew Ho, MD PhD ... #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... changes), high MCV anemia ... or if a primary hematologic ... #Differential # ... Causes #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... Primary Causes: - Thrombocytopenia ... - Hemolytic anemia ... #Diagnosis #hematology
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Diagnosis Table ... • Thrombotic Thrombocytopenic ... Matthew Ho, MD PhD ... Microangiopathy #TMA #hematology ... #differential #
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Hemet cells - G-6-PD ... Thrombotic idiopathic thrombocytopenia ... key #diagnosis #differential ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... with or without platelet ... Schistocytes, thrombocytopenia ... Algorithm #workup #hematology