19 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... • Autoimmune diseases ... : SLE+++, Adult-onset ... Still disease, ... treatment #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
age, however the disease ... : HLH signs and ... Diagnosis via genetic ... agent are the main ... management #treatment #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Fever is the main ... erythematosus [SLE ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... Polyarteritis Nodosa (PAN ... erythematosus (SLE ... , Sarcoidosis, HLA-B27 ... #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
lesions Abdominal pain ... (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... noninflammatory Signs ... arthritis • SLE ... #Differential #Diagnosis ... #MSK #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Oral aphthae : SLE ... • Arthritis: SLE ... Nonsurgical abdominal pain ... #management #signs ... #symptoms #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... , and low back pain ... support a diagnosis ... #diagnosis #testing ... #Rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... Chronic = RA, SLE ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup