3018 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 ... Lung #Disease #differential
Mosquito Bite Reactions

• Mosquito saliva-induced type I hypersensitivity
• Skeeter syndrome
• Hypersensitivity to mosquito bites (HMB)
• Well's
hypersensitivity • Skeeter syndrome ... HMB) • Well's Syndrome ... especially chronic lymphocytic ... bite #reactions #differential
Causes of Peptic Ulcer Disease
 • H. Pylori
 • NSAIDs
 • Gastric adenocarcinoma
 • Gastric lymphoma
Zollinger-Ellison syndrome ... eosinophilic and lymphocytic ... Disease #Causes #differential
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Hypereosinophilia Syndrome ... Myeloproliferative HES - Lymphocytic ... Hypereosinophilia #Syndrome ... diagnosis #hematology #differential
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Atypical Lymphocytes ... Resolution > 15 days Differentials ... SinaiBmoreIMRes #DRESS #Syndrome
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
mL or 20% total lymphocyte ... chemotherapy) • Genetic syndromes ... diagnosis #hematology #Differential
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... Pancytopenia, WBC differential ... • Chronic Lymphocytic ... Leukemia (CBC with Lymphocytes ... - Monoclonal Lymphocytes
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
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Cancer affecting lymphocytes ... cell neoplasm • Lymphocytes ... • Richter’s Syndrome ... leukemia • Sezary syndrome
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Infection-negative lymphocytic ... Churg-Strauss syndrome ... Myocarditis #Causes #differential