11 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Homogeneous: Systemic lupus ... , Drug-induced Lupus ... SLE), Sjogren's Syndrome ... • Nucleolar: Diffuse ... ANA #patterns #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Systemic Lupus ... Hodgkin's Lymphoma #Diffuse ... #Causes #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... differential #diagnosis #algorithm ... #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Immunotactoid GN ... Cryoglobulinemic GN ... -C3 GN • Cast ... to cold IgG • Lupus ... Paraproteinemias #Hematology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... • Discoid lupus ... Differential #Diagnosis #Algorithm
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... SJIA], systemic lupus ... Histopathologic criteria ... Diagnosis #Management #Hematology ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... pneumonitis • Diffuse ... enteropathy, and diffuse ... Erythematosus #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
, Drug-induced Lupus ... SLE), Sjogren's Syndrome ... • Nucleolar: Diffuse ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... HairLoss #Alopecia #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... • Cogan Syndrome ... such as systemic lupus ... differential #diagnosis #rheumatology