20 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... History of Bleeding, Infection ... (CBC with Lymphocytes ... #Hematology #Oncology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... Chronic Myelogenous Leukemia ... Myelofibrosis Infectious ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Diagnosis Algorithm Infectious ... Viral (EBV) • Parasitic ... • Lymphoma • Leukemia ... #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic Leukemia ... weeks without infection ... Lymphocytosis on CBC ... surface molecules: CD5 ... workup #oncology #hematology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
present in 15% of cases ... change, seizures, visual ... Demyelinating disease caused ... gait ataxia, and visual ... opportunistic #InfectiousDiseases
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Triggering factor (infection ... →Activation of CD8 ... salmonella, ...), Parasites ... Drugs, Unknown cause ... treatment #summary #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... procedures - Infection ... decreased PLT count: CBC ... or if a primary hematologic ... #Workup #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic Leukemia ... • Most common leukemia ... Vmphocytosis on routine CBC ... Complications: 1) Infection ... #oncology #hematology
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... amastigotes in new infection ... pathophysiology #infectiousdiseases ... #cdc #parasite
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... • Persistent CD4 ... myelodysplasia) • Infections ... ICL #diagnosis #hematology ... #Differential #Causes