5 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
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
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