13 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... pneumonia • Chronic ... Lung abscess ... CT Lung Abscess
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... disease #Chronic
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
hyperperfused lung ... caliber due to chronic ... thromboembolic disease ... Clinical #Radiology #CTChest ... #GGO #Mosaic #Thromboembolism
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
hyperperfused lung ... adjacent to oligemic lung ... thromboembolic disease ... Clinical #Radiology #CTChest ... #GGO #Mosaic #Thromboembolism
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 ... lung infections ... Imaging, high res CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... hypertension • Mosaic ... of the affected lung ... CT) • Broncho-arterial
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... Malignancies • Chronic
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Abdominal pain, chronic
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
bronchiolitis or chronic ... disease, like the ... seen in: - (post) infection ... Clinical #Radiology #CTChest ... MosaicAttenuation #Mosaic
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... control of the infection ... • Nonspecific chronic ... CT • Bronchoscopy ... Tracheobronchial Diseases