22 results
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung ... diseases LIP ... PSS: Sjogren syndrome ... connective tissue disease
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... bronchiolitis (RB-ILD ... Pulmonary #HRCT #ChestCT ... #Differential #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
disease, idiopathic ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Correlation #Table ... #ILD #Findings
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Periodontal disease ... dentition/gingival disease ... loss • Late disease ... Gingival crevice disease ... CT Lung Abscess
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Diseases • Acute ... Hypereosinophilic Syndrome ... #Diseases #pulmonary ... #table #eosinophilia
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... biliary, renal, lung ... concentration PET-CT ... IgG4 #Related #Disease ... #diagnosis #management
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
disease, volume ... disease, adenitis ... disease ... • Dyspnea, • Chest ... Imaging, high res CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disease • ... Granulomatous disease ... • Liver diseases ... disease (GLILD) ... Chest CT: • Ground-glass
Histiocytosis - Langerhans cell histiocytosis (LCH), Erdheim-Chester disease (ECD), Rosai-Dorfman disease (RDD)
Comparison of Features by Age,
(LCH), Erdheim-Chester ... disease (ECD), ... Rosai-Dorfman disease ... Bone involvement, Lung ... #table #features
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... Pneumonia: • 3 syndromes ... angioinvasive disease ... • CT: Halo sign ... of a "flu-like syndrome