18 results
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diseases: • GATA2 deficiency ... Systemic lupus erythematosus ... B12 • Folate deficiency ... Differential #Diagnosis #Hematology
Iron Panel Interpretation

Iron deficiency - ↓ Iron, ↑-nl Transferrin / TIBC, ↓ Transferrin Saturation,  ↓
Interpretation Iron deficiency ... Ferritin Iron deficiency ... Interpretation #deficiency ... #differential #hematology ... #laboratory
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
• Vitamin K deficiency ... • Factor VII deficiency ... II, fibrinogen deficiency ... Thromboplastin #laboratory ... #hematology #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Discoid lupus erythematosus ... Alopecia: Lupus erythematosus ... fungi Initial Laboratory ... • RPR • Laboratory ... Differential #Diagnosis #dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... Malignancy (e.g. hematologic ... disease • Prolidase deficiency ... with: • Minimal laboratory ... vein thrombosis Hematologic
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
Systemic Lupus Erythematosus ... ANA level above laboratory ... antibody level above laboratory ... #Diagnosis #Rheumatology ... #SLE #Lupus #Erythematosus
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
required • Lupus erythematosus ... • Zinc deficiency ... • Copper deficiency ... Discoid lupus erythematosus ... HairLoss #Alopecia #dermatology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
clotting factor deficiency ... Patient has a factor deficiency ... Study #diagnosis #hematology ... pathophysiology #hematology ... #laboratory
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... versus DIL • Laboratory ... lupus #Systemic #Erythematosus ... Management #Summary #rheumatology
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Commonly Observed Laboratory ... thrombopoietin deficiency ... LiverFailure #Hepatic #Hepatology ... #Laboratory #Diagnosis