11 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Secondary Thrombocytosis ... malignancies • Anemia ... iron deficiency, hemolysis ... #Causes #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... , deficiency anemia ... , Vasculitides, ... IBD, Celiac disease ... #Algorithm #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... -> Invade Skin: ... #Hematology #Oncology ... #Diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Hepatomegaly • Skin ... cells can indicate disease ... • Neutropenia, anemia ... #workup #oncology ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #hematology #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Cold Agglutinin Syndrome ... Diagnosis: • hemolytic ... #hemolytic #anemia ... #hematology #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... and autoimmune hemolytic ... anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
(HCV) • CLL & ... • Coombs (-) hemolytic ... anemia due to cold ... Paraproteinemias #Hematology ... #Oncology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Cold insoluble globulin ... malignancies, vasculitis ... Antiphospholipid syndrome ... #rheumatology # ... hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
gammopathy, and skin ... changes (POEMS syndrome ... gastric tumors • Hematology ... anemia • Other ... #hematology