19 results
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... Manifestations: Malar rash ... versus DIL • ... life-threatening • Treatment ... Management #Summary #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Photosensitivity, Butterfly rash ... ) Blood (75%): Anemia ... signs #symptoms #diagnosis ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... SCLE-DIL (terbinafine ... months to years) Systemic ... comparison #table #rheumatology ... #diagnosis #management
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
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Glucocorticoids, IL ... #Algorithm #hematology
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
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
weakness, less systemic ... can present with rash ... Can also see mechanics ... after 2 years of treatment ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... - Hemolytic anemia ... #Systemic #Lupus ... #differential #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
arthritis, Skin rash ... solid cancers • Systemic ... MAS, Visceral, DIC ... #management #treatment ... #rheumatology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
maculopapular rash ... episode (30%) Systemic ... synovitis (40%) Treatment ... Disease #AOSD #rheumatology ... #treatment