41 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Infection - Systemic ... Effusions: - Hematologic ... #diagnosis #msk
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
autoimmune disease ... elbows/wrists and knees ... skin thickening Signs ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
is the main clinical ... ALT ↑ bilirubin level ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... : Fever, Arthralgia ... fraction < 20% Differential ... solid cancers • Systemic ... #treatment #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Vascular System ... Iatrogenic) • Liver ... #Causes #Hematology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... pain (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Malar rash 40% - Fever ... (aPL) 30-45% Differential ... autoantibodies #signs ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... • Homogeneous: Systemic ... ) • Speckled: Systemic ... ANA #patterns #rheumatology ... #diagnosis #differential
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Gammopathy of Clinical ... Significance (MGUS) - Differential ... Diagnosis Neurologic-Centered ... Ig deposition disease ... #Diagnosis #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Clinical features ... involvement Differential ... Diagnosis of B-Symptoms ... #differential # ... hematology