13 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... pylori test (GI symptoms ... Diagnosis #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
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... rheumatologic diseases ... Induced Lupus: • Symptoms ... #Diagnosis #Rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... membrane disorder ... elliptocytosis, autoimmune ... #Diagnosis #Algorithm ... #workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Viral infection, autoimmune ... Blood smear - RBC ... pts) Differential ... hemolytic #anemia #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
with no early symptoms ... cells can indicate disease ... lymphoproliferative disorders ... #workup #oncology ... #hematology
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
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Diagnosis: Systemic ... Symptoms (Sx) in ... #diagnosis #rheumatology ... #classification
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... age 70 years Symptoms ... Myeloproliferative Disease ... blood count with differential ... #diagnosis #hematology