21 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelogenous Leukemia ... • Rheumatic disorders ... • Celiac disease ... Iron deficiency anemia ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... intravascular coagulation ... ) (e.g. lupus, CLL ... lymphoproliferative disorders ... #hematology #anemia
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... extramedullary disease ... -> Invade Skin: ... #Hematology #Oncology ... #Diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
of Chronic Disease ... 80-100 fL) • Bleeding ... • Hemolysis ... of Chronic Disease ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... inflammatory disorders ... myeloid leukemia ... #Causes #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Microangiopathic Hemolytic ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
• Lymphoma • Leukemia ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... Cell Disease (children ... #Hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
neutropenia • Mucosal bleeding ... stem cell transplant ... to MDS or acute leukemia ... #diagnosis #management ... #treatment #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... • Infections: Chronic ... #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... , coagulation disorders ... anemia - Splenomegaly ... #hematology #rheumatology ... #nonpalpable #dermatology