29 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... #diagnosis #algorithm ... #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... , Drug-induced Lupus ... #Antinuclear #Antibodies ... #rheumatology #diagnosis ... #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... #Antinuclear #Antibodies ... #rheumatology #diagnosis ... #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
SLE-Related Auto-Antibodies ... : - ANA 95-100% ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... #rheumatology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... antiglobulin test, PT ... hemosiderin • PT ... #Diagnosis #Management ... #Algorithm #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Diagnosis Congenital ... Inflammatory and ... Diseases: • Systemic lupus ... #Diagnosis #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and the aPTT ... antiphospholipid antibodies ... #differential # ... hematology #coagulation
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Diagnosis Algorithm ... 12-13 g/dL, • ANC ... iron studies, PT ... Diagnosis: • ... #hematology #workup
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
antiphospholipid antibodies ... antiphospholipid antibodies ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
histiocytosis, and ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology