10 results
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... due to chronic ... thromboembolic disease ... Radiology #Pulmonary #CTChest ... #Attenuation #Differential
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... Galaxy sign - Mosaic ... attenuation - ... #differential #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... disease or CHF) ... refer + order CT ... disease #Chronic
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... mid and lower lung ... proteinosis and other diseases ... included in the differential ... Clinical #Radiology #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... hypertension • Mosaic ... attenuation • ... CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... : Pleuritic chest ... CT Lung Abscess ... Abscess Differential ... Abscess #pulmonary #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... lung disease ... encounters due to NTM: Chronic ... Imaging, high res CT ... NTM #Infections #differential
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
bronchiolitis or chronic ... disease, like the ... Clinical #Radiology #CTChest ... MosaicAttenuation #Mosaic ... #Attenuation #Comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Abdominal pain, chronic
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... • Nonspecific chronic ... CT • Bronchoscopy ... Tracheobronchial Diseases