3619 results
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Ehlers-danlos Syndrome ... Amyloidosis, Proteus Syndrome ... Birt-Hogg-Dubé Syndrome ... , Lymphocytic Interstitial ... differential #diagnosis #causes
Causes of Peptic Ulcer Disease
 • H. Pylori
 • NSAIDs
 • Gastric adenocarcinoma
 • Gastric lymphoma
Causes of Peptic ... Zollinger-Ellison syndrome ... eosinophilic and lymphocytic ... Ulcer #Disease #Causes
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Hypereosinophilia Syndrome ... eosinophilia Secondary Causes ... Myeloproliferative HES - Lymphocytic ... Hypereosinophilia #Syndrome
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... Adrenalitis Other causes ... Causes of Secondary ... point inhibitors, lymphocytic ... hypophysitis, Sheehan's syndrome
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
mL or 20% total lymphocyte ... chemotherapy) • Genetic syndromes ... #Differential #Causes
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Sjogren's Syndrome ... glands: • Focal lymphocytic ... SLE • Mikulicz syndrome ... Hypocomplementemia • Can cause ... UIP, NSIP): • Lymphocytic
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Causes of Myocarditis ... Infection-negative lymphocytic ... Churg-Strauss syndrome ... more commonly cause ... #Myocarditis #Causes
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 ... (Epstein-Barr syndrome
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Chronic Lymphocytic ... Leukemia (CBC with Lymphocytes ... - Monoclonal Lymphocytes ... Diagnosis #Algorithm #Causes
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... morphologically mature B Lymphocytes ... rnature-appearing lymphocytes ... 500/uL clonal B lymphocytes ... #CLL #Chronic #Lymphocytic