18 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 ... increased IgG4+ cells
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Gastroenteritis → Invasive disease ... culture (Invasive disease ... Infection) • MRI / CT ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Gastroenteritis → Invasive disease ... culture (Invasive disease ... Infection) • MRI / CT ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
infections Lungs ... Advanced HIV (CD4 cell ... Imaging, high res CT ... diagnosis • Microbiologic ... differential #diagnosis #infectiousdiseases
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
organism into the lungs ... Treatment: • Severe Disease ... Streptomycin • Moderate Disease ... management #treatment #infectiousdiseases ... #microbiology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... disease • ... lymphocytic interstitial lung ... Chest CT: • Ground-glass
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
SIow growing, Long ... of PCR is not well ... Capnocytophaga #canimorsus #microbiology ... #zoonotic #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... differential #diagnosis #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Pre-existing valvular disease ... Congenital heart disease ... verrucous) • Lung ... , Pancreas, Gastric ... Hypercoagulable (APLAS) Microbiology
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
a normal white-cell ... Hydatid disease ... #clinical #NEJM ... hepatic #radiology #CT