31 results
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diseases: • GATA2 deficiency ... Wiskott-Aldrich syndrome ... Systemic lupus erythematosus ... B12 • Folate deficiency ... Differential #Diagnosis #Hematology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... Treatment: • Mild ... Summary #diagnosis #rheumatology ... #management
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome ... Discoid lupus erythematosus ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... disease • Prolidase deficiency ... • Acute lupus pneumonitis ... CNS • Headache, mild ... #Diagnosis #Rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Acute hemolysis, deficiency ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD ... Kawasaki, Nephrotic syndrome ... Glucocorticoids, IL
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Hemophilia A - Deficiency ... celiac disease, CF, IBD ... Deficiencies #Summary #table ... comparison #diagnosis #hematology ... #deficiency
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... Systemic lupus erythematosus ... systemic lupus erythematosus ... #Diagnosis #Management ... #Hematology #Rheumatology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Gastrectomy, WHDA syndrome ... Tropical sprue, IBD ... , Copper deficiency ... Algorithm #ferritin #hematology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... ConnectiveTissueDiseases #ILD ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... Antiphospholipid Antibody Syndrome ... LAC) • Sjogren Syndrome ... RNA Polymerase Ill ... #associations #table