13 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Adult-onset Still ... Petechial or purpuric rash ... SLE], AOSD) • Infection ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... 40% - Fever 36% ... Other auto-immune, Infectious ... Multiple sclerosis, Still's ... autoantibodies #signs
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... • Clinical: fever ... +, Adult-onset Still ... #management #treatment ... #summary #rheumatology
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
- Differential Diagnosis ... Suggestive of: Rheum Fever ... migrans: • Target sign ... Suggestive of Lyme infection ... #differential #diagnosis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... arthritis, Skin rash ... : • Infectious ... #management #treatment ... #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: HLH signs and ... can mimic common infections ... following: • Fever ... #management #treatment ... #hematology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's ... : High spiking fever ... maculopapular rash ... #AdultOnset #Stills ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... Differential Diagnosis ... arthritis, adult-onset Still ... fibromyalgia) • Infections ... to: Arthritis, Fever
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... , breast CA - Hematologic ... ’s syndrome - Lupus
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... Triggers: ▪ Infections ... Presentation • Common Signs ... underlying trigger: Infections ... #Management #Hematology