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

What?
A subset of
Macrophage Activation ... erythematosus [SLE ... Treatment: • Corticosteroids ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Activation of CD8 ... Infections+++: Virus ... Autoimmune diseases: SLE ... Lymphohistiocytosis #diagnosis #management ... #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... erythematosus (SLE ... , Sarcoidosis, HLA-B27 ... Differential #Diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... Workup: - ANA ... Usual therapeutic management ... #table #rheumatology ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
excessive macrophage activation ... • Bicytopenia Treatment ... agent are the main ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... Non-autoimmune rheumatologic ... : • Joint pain ... Chronic B-cell activation
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
: SLE, Reactive ... Arthritis, AS Treatment ... Nonsurgical abdominal pain ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... low back pain) ... • HLA-B27 (to support ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... such as systemic lupus ... LFT • ESR • ANA ... SLE) • Urinalysis ... differential #diagnosis #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Constitutional symptoms, Arthritis ... is rare in DIL, SCLE-DIL ... #DIL #rheumatology ... #diagnosis #treatment ... #management