18 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
of Lung Findings ... Reverse Halo Sign ... Organizing Pneumonia ... #Lung #Pulmonary ... ChestCT #radiology #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... is interstitial lung ... on a CXR. ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... early disease) • CXR ... #Abscess #pulmonary ... #differential #causes
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... throughout the lungs ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... #CXR #clinical
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Lobar pneumonia ... nodular interstitial lung ... Diagnosis #Radiology #CXR
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... both sides of the cerebral ... Occasional sighs ... #Pulmonary #Abnormalities
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... particularly at the lung ... Here a CXR with ... at the lung bases