19 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... Age > 50 • Chronic ... Non-Hodgkin's Lymphoma ... • Hodgkin's Lymphoma ... Algorithm #Causes #Hematology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Opacities: • Infectious ... - Mycobacterium ... Tuberculosis, NTB ... Nocardia, zoonotic infections ... • Malignancy: Lymphoma
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
belonging to the Mycobacterium ... Immunocompromised status • Chronic ... : Chronic lung infections ... Growers (Runyon Classification ... #Infections #differential
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... Etiology: - Infections ... translocation • Types: Classification ... involvement Differential ... #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Infection) High ... #Anemia #MCV #Classification ... #Differential # ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... Metastatic cancer, Lymphoma ... : Chronic infections ... Thrombocytosis #Platelets #Differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... (NTM) • Fungal ... • Lymphoma • ... malignancy, and chronic ... TB #Diagnosis #Management
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... patients (e.g.: Mycobacterium ... - Lymphoma. ... PNA (acute or chronic ... diagnosis #pulmonary #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... hepatitis • Lymphoma ... • Nodules • Lymphoid ... Malignancies • Chronic ... #diagnosis #management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... (NTM) • Fungal ... • Lymphoma • ... malignancy, and chronic ... TB #Diagnosis #Management