9 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... seen • Chest CT ... Abscess Differential ... Abscess #pulmonary #differential ... #causes #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Chest CT: • Ground-glass ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... infections Lungs ... Hematologic malignancy ... Imaging, high res CT ... NTM #Infections #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Other tests: • CT ... sparing of the lung ... seen on chest CT ... #diagnosis #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... , Pancreas, Gastric ... Marantic (NTBE) Differential ... Treat underlying cause ... Endocarditis #diagnosis #management
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... in literature (NEJM ... (Cornelia NEJM ... day, followed by long ... Symptoms #Diagnosis #Management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Immunohistochemical studies (to differentiate ... number of sites of disease ... physical exam, CT ... classification #hematology ... #oncology #management
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... , pancreas, stomach ... , pancreas, stomach ... statins - probably caused ... #differential #