12 results
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
on Chest X-Ray ... is a chronic interstitial ... lung disease with ... benign, upper lobe ... #Chest #XRay #CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
fibrotic lesions ... Progression: • Upper lobe ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
fibrotic lesions ... Progression: • Upper lobe ... and Culture • CXR ... Tuberculosis Treatment ... disease • Check CXR
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive Lung ... Disease, Interstitial ... Fibrosis, Interstitial ... Lung Disease
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... changes in the basal lung ... reticulation with a lower lobe ... Clinical #Radiology #CXR ... UsualInterstitialPneumonitis #Usual #Interstitial
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
friction rub audible Lungs ... pleural effusion on CXR ... tends to cause interstitial ... lung disease/pulmonary ... fibrosis (mechanism
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... hemorrhage • Treatment ... westermani • Other: TB ... #Abscess #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... /- High res CT chest ... Fungal, AFB), TB
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... • Infection: TB ... in the adjacent lung ... of the affected lung ... mycobacteria Treatment
Pleuroparenchymal Fibroelastosis (PPFE) on Chest CT
47 M with idiopathic pleuroparenchymal fibroelastosis. Typical imaging findings:
- Upper lobe
findings: - Upper lobe ... subpleural and pleural fibrosis ... Rare - GVHD, lung ... radiology #clinical #pulmonary ... #CXR