13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... involving both lungs ... WHAT ARE COMMON CAUSES ... #pulmonary #diagnosis
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
- Differential Diagnosis ... • Diffuse Lung ... • Chronic Lung ... Infection • Bronchiectasis ... #HeartFailure #Cardiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
The diagnosis of ... the peripheral lung ... The most common cause ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... in the adjacent lung ... high-resolution chest CT ... #diagnosis
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Sign on Chest CT ... • DDx: Bronchiectasis ... Signet #Ring #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Sign on Chest CT ... extending to the lung ... Cylindrical or traction bronchiectasis ... #Lung #Pulmonary ... #diagnosis #radiology
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... pneumonia, • Bronchiectasis ... bronchus • Chest CT ... Broncholithiasis - Infectious Causes ... Noninfectious Causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Centrilobular nodules - Bronchiectasis ... Diagnosis Of NTM ... Imaging, high res CT ... #differential #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... disease • Bronchiectasis ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes