11 results
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
surface molecules: CD5 ... • Richter’s Syndrome ... #Leukemia #diagnosis ... #workup #oncology ... #hematology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... • Persistent CD4 ... mL or 20% total lymphocyte ... #hematology #Differential ... #Causes #lymphocytopenia
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
(HLH) Pathophysiology ... →Activation of CD8 ... Drugs, Unknown cause ... #management #treatment ... #summary #rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
glands: • Focal lymphocytic ... Hypocomplementemia • Can cause ... /aggregate) of CD4 ... #Rheumatology # ... Diagnosis #Management
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... CNS #neurology #rheumatology ... #management #treatment
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... : • Pathophysiology ... #TLS #diagnosis ... #management #hematology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
(HES) - Diagnosis ... and Management ... eosinophilia Secondary Causes ... Myeloproliferative HES - Lymphocytic ... #hematology #differential
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Constitutional Syndromes ... and petechiae Causes ... Constitutional Syndromes ... Anemia #oncology #hematology ... #diagnosis #management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... druginduced #lupus #sle #comparison ... #table #rheumatology ... #diagnosis #management
Common Variable Immunodeficiency (CVID)

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