18 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... . autoimmune, TB ... syndrome • Myelofibrosis ... #Diagnosis #Causes ... #hematology #secondary
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Disease (e.g. ... Hypothyroidism • Myelodysplasia ... #Anemia #MCV #Classification ... #Causes #Hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
diseases (e.g., ... translocation • Types: Classification ... NonHodgkins #comparison #oncology ... #diagnosis #differential ... #hematology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
• Infection (e.g ... • Kikuchi Disease ... Tularemia • Secondary ... #Causes #Hematology ... #Oncology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... spherocytosis, Autoimmune ... Malignant lymphoma ... RBC #Morphology #differential ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... . lupus, CLL, lymphoma ... #differential # ... diagnosis #hematology
Cryoglobulinemia Summary

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

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... hepatitis • Lymphoma ... • Nodules • Lymphoid ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Secondary form ... Hypocomplementemia • Can cause ... Nephrogenic DI Hematologic ... Vasculitis: • 7%, Cryoglobulinemia ... #Rheumatology #
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
with autoimmune ... cryoglobulins • Negative causes ... Antiphospholipid syndrome ... #rheumatology # ... hematology