11 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... #Hemolytic #Anemia ... #Pathophysiology ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... usually IgG) (e.g. lupus ... idiopathic) - Autoimmune ... differential #diagnosis #hematology ... #anemia
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Inflammatory and Autoimmune ... Diseases: • Systemic lupus ... Antibody-mediated hemolysis ... Differential #Diagnosis #Hematology
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... NEUROLOGIC - HEMOLYTIC ... ANEMIA - LEUKOPENIA ... #Rheumatology # ... SLE #Lupus #Erythematosus
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Lymphadenopathies 7% - Hemolytic ... anemia 4% - Myositis ... Lupusreference #SLE ... #differential #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
pericarditis • Hematologic ... Thrombocytopenia, Autoimmune ... hemolysis • Renal ... Classification #Criteria #SLE ... Erythematosus #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... (SLE) General: ... Photosensitivity, Butterfly rash ... ) Blood (75%): Anemia ... symptoms #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... genotypes): SS, SC, SE ... elliptocytosis, autoimmune ... #Anemia #Differential ... Algorithm #workup #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... disease • Non-autoimmune ... rheumatologic diseases ... lymphopenia, low PLT • Anemia ... Erythematosus #Diagnosis #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... erythematosus [SLE ... with leukopenia, anemia ... Diagnosis #Management #Hematology ... #Rheumatology