15 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... pylori test (GI symptoms ... anti-phospholipid antibodies ... #Causes #Workup ... #hematology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... SLE), Sjogren's Syndrome ... Lymphoproliferative Disorders ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... rheumatologic diseases ... Induced Lupus: • Symptoms ... common • Antihistone ... #Diagnosis #Rheumatology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Overview: • Most common ... leukemia in adults • Disorder ... chemotherapy for low-risk disease ... 3) Monoclonal antibodies ... Leukemia #oncology #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Viral infection, autoimmune ... - most common presentation ... Blood smear - RBC ... hemolytic #anemia #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... diseases: - 10% ... lupus erythematosus ... #types #classification ... #rheumatology #
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... specifically immune thrombocytopenia ... hemolytic anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Symptoms (Sx) in ... C-ANCA) pattern: antibodies ... #rheumatology # ... classification
TAFRO

TAFRO syndrome was first described in 2010, standing for:
- Thrombocytopenia
- Anasarca
- Fever
- Reticulin fibrosis
- Organomegaly

TAFRO syndrome
mesothelioma, etc - Autoimmune ... systemic lupus ... erythematosus (SLE ... symptoms Histopathological ... #management #rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Epidemiology: • Most common ... with no early symptoms ... cells can indicate disease ... #workup #oncology ... #hematology