23 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia (COP), chronic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... On HRCT there are ... low attenuation (table ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... morphologic findings on HRCT ... these patterns are ... #Pulmonary #CTChest
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... show very similar HRCT ... In chronic HP fibrotic ... throughout the whole lung ... #Clinical #Diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... in the adjacent lung ... of the affected lung ... Diagnosis: • HRCT ... #differential #
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... caused by a rigid chest ... cage may result ... aspergillosis - Chronic ... #diseases #differential
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 ... attributed to chronic ... #Clinical #Radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... viral, at an early age ... patients with chronic ... COPD and cystic fibrosis ... #Differential #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... #CXR #Lucency #Differential ... #Table #CavitaryLesion ... #Pulmonary #Diagnosis ... #Radiology