13 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... test, ANA (e.g., SLE ... #Causes #Workup ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Splenomegaly - CTD (SLE ... deficiency • Liver ... Associated - SLE ... #hematology #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... Manifestations: Malar rash ... • Immunologic Workup ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Photosensitivity, Butterfly rash ... Leucopenia/lymphopenia, Thrombocytopenia ... signs #symptoms #diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Neurological 12% - Thrombocytopenia ... involvement 3% SLE-Related ... Lupusreference #SLE ... #differential #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... • Immunologic Workup ... • Immunologic Workup ... comparison #table #rheumatology ... #diagnosis #management
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... genotypes): SS, SC, SE ... Schistocytes, thrombocytopenia ... #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 ... • Liver function ... #Management #Hematology ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... profile, including liver ... (to support a diagnosis ... #diagnosis #testing ... #Rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
non-Hodgkin lymphoma SLL ... phenomenon CLL Diagnosis ... Neutropenia, anemia, thrombocytopenia ... #workup #oncology ... #hematology