10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... #Diagnosis #Radiology ... #Pulmonary #CXR
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... reticulation with a lower lobe ... Clinical #Radiology #CXR ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
pleural effusion on CXR ... tends to cause interstitial ... lung disease/pulmonary ... fibrosis (mechanism ... signs #symptoms #diagnosis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... fibrosis. ... On a chest X-ray ... to confirm the diagnosis ... #Interstitial #
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... fluid, fibrous ... lung disease, it ... pulmonary edema ... #CTChest #Reticular
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Disease, Interstitial ... Fibrosis, Interstitial ... Lung Disease ... #differential #diagnosis
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... starting amiodarone treatment ... glass opacities • Reticular ... ground glass or reticular ... macrophages Treatment
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... mycobacteria Treatment
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 ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... Tuberculosis #TB #Diagnosis
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 ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... Tuberculosis #TB #Diagnosis