12 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Leukemia, Tumour ... • TTP/HUS • DIC ... #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... : - Thrombocytopenia ... • HCV, HBV Not ... #hematology #rheumatology ... #nonpalpable #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Chronic Myelogenous Leukemia ... disorders • Celiac disease ... effect following treatment ... #Algorithm #Causes ... #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
promyelocytic leukemia ... organ damage Clinical ... • Severe Liver Disease ... #diagnosis #causes ... #hematology
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... triad of MAHA + thrombocytopenia ... APS, SRC, SLE), cancer ... Microangiopathy #TMAs #hematology ... #diagnosis #ttp
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
immunophenotype Clinical ... chemotherapy for low-risk disease ... • Indications ... #oncology #hematology ... #hemeonc #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemostasis: - Thrombocytopenia ... fulminans - DIC ... Complete blood count coagulation ... #Algorithm #Causes ... #dermatology #physicalexam
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... Fibrinolysis & DIC ... lymphoid organs When Cancer ... #Hematology #Oncology ... #Diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
- Summary Cancer ... Orange or Hep C Clinical ... cells can indicate disease ... microglobulin Treatment ... #oncology #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... specifically immune thrombocytopenia ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology