26 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Thrombocytosis): • Acute infection ... malignancies • Anemia ... Myelodysplastic syndrome ... #hematology #secondary
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
and petechiae Causes ... Idiopathic • Infections ... result from low blood ... #oncology #hematology ... #diagnosis #management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
leakage of RBC's secondary ... - Hemolytic anemia ... SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Human papilloma virus ... acuminata) • Secondary ... ) • Reiter's syndrome ... #skinlesions #dermatology ... Diagnosis #Algorithm #causes
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
petechiae) • Frequent infections ... DDX: Rule Out Secondary ... CausesAnemia ... • Parvovirus infection ... #diagnosis #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... cytopenias (usually anemia ... risk-stratification • Risks: infection ... #treatment #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Chediak-Higashi syndrome ... drug reactions - Secondary ... Megaloblastic anemia-rare ... including white blood ... #hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... • Anemia • ... Malignancy Infectious ... Chronic Fatigue Syndrome
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... Cold Agglutinin Syndrome ... Immunoglobulin M (IgM) • Blood ... sensitize red blood ... #hematology #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
risk secondary ... autoimmune hemolytic anemia ... DDX - Other causes ... : • Nephrotic syndrome ... hypogammaglobulinemia #immunology #hematology