11 results
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Lupus Nephritis ... Proliferative Class IV - Diffuse ... #Nephritis #SLE ... #Classification ... #differential #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... anti-Smith Ab, low complements ... Skin Disease Classification ... Differential Diagnosis ... pneumonitis • Diffuse
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... with Systemic Lupus ... Erythematosus (SLE ... #Differential #Diagnosis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... anticoagulant • Complement ... #EULARACR #Classification ... #Criteria #SLE ... Erythematosus #diagnosis
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
erythematosus (SLE ... • Nucleolar: Diffuse ... (SLE), Systemic ... Lymphoproliferative Disorders ... #rheumatology #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... • Low serum C4 complement ... (e.g. systemic lupus ... erythematosus (SLE ... #types #classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... - Differential Diagnosis ... Algorithm Hodgkin ... lymphadenopathy more diffuse ... #Classification
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... Algorithm Tumours ... - See Bone Lesions ... / Ricketts - Diffuse ... • Bone Marrow Disorder
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... Screening Tests for Diffuse ... metabolic or endocrine disorders ... Additional Tests for Diffuse ... (to support a diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... such as systemic lupus ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification