28 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
acute reticular pattern ... The other cause ... This was a PCP-infection ... #Clinical #Radiology ... #CXR #Acute #Interstitial
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Causes: Mucormycosis ... Dermatomyositis, Lung ... , Pulmonary embolism ... Reverse #Halo #Sign
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... caused by Sterptococcus ... #Clinical #Radiology ... #CXR #Pneumonia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... factor • May cause ... #Infections #HIV ... #AIDS #pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Clinical manifestations ... - Imaging: • CXR ... consolidation and GG pattern ... , Pulmonary lymphoma
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
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... sliding: Pulmonary ... interstitial diffuse infections ... partially seen shred sign ... #Lung #POCUS #clinical
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
104°F) • Lobar pneumonia ... gram-negative pneumonia ... Causes: • Still's ... Brucellosis Faget's Sign ... Brucellosis • Liver or lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... #Abscess #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... Pulmonary hemorrhage ... nodular interstitial lung ... #Radiology #CXR