11 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... hemolysis, deficiency anemia ... Rebound effect from treatment ... #Algorithm #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... SCLE-DIL (terbinafine ... • Immunologic Workup ... comparison #table #rheumatology ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Manifestations: Malar rash ... versus DIL • ... • Immunologic Workup ... life-threatening • Treatment ... Management #Summary #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... • TTP/HUS • DIC ... #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Algorithm • Sickle ... genotypes): SS, SC, SE ... #Algorithm #workup ... #hematology #testing
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... erythematosus [SLE ... with leukopenia, anemia ... #Management #Hematology ... #Rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
NPSLE rare, Malar rash ... SCLE-DIL (terbinafine ... • Immunologic Workup ... #rheumatology # ... diagnosis #treatment
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Algorithm Polycythemia ... Better call hematology ... some time, let’s see ... #Algorithm #workup ... #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
non-Hodgkin lymphoma SLL ... • Neutropenia, anemia ... microglobulin Treatment ... #workup #oncology ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... with isolated del ... Workup: • Complete ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology