12 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Periodontal disease ... Lung Abscess - Clinical ... loss • Late disease ... in early disease
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... concentration PET-CT ... increased IgG4+ cells ... IgG4 #Related #Disease
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
disease, volume ... disease ... Advanced HIV (CD4 cell ... Lung Disease: ... Imaging, high res CT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Chronic kidney disease ... Primary Tuberculosis Disease ... disease, bacteremia ... Secondary Tuberculosis Disease ... from disseminated disease
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Chronic kidney disease ... Primary Tuberculosis Disease ... disease, bacteremia ... Secondary Tuberculosis Disease ... from disseminated disease
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... biopsy confirmed a diagnosis ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
extrapulmonary disease ... or meningitic disease ... Sinusitis • Brain abscess ... 40% Invasive Disease ... endocarditis Local Disease
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
neoplasm • Nature of Disease ... Localized Disease ... Multisystem Disease ... Single-System Disease ... • Multisystem Disease
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based on clinical ... Antimicrobial treatment ... tuberculomas, or abscesses ... enhancement on CT ... Demyelinating disease
Thumbprinting in Ischemic Colitis- Contrast-enhanced computed tomography of the abdomen, performed to evaluate the possibility of
complicated diverticular disease ... inflammatory bowel disease ... consistent with a diagnosis ... #radiology #CT ... thumbprinting #sign #NEJM