15 results
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... Lung #Signs #Pulmonary ... #Diseases #diagnosis ... #differential #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
on Chest CT • Parallel ... extending to the lung ... Cylindrical or traction bronchiectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... on Chest CT • ... • DDx: Bronchiectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... segment or lobe of lung ... involving both lungs ... Rheumatologic/Autoimmune diseae ... #pulmonary #diagnosis
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... attenuation • DDx: sub-acute ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... Nasal polyps and signs ... , in advanced disease ... in the adjacent lung ... high-resolution chest CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Centrilobular nodules - Bronchiectasis ... disease, volume ... disease, adenitis ... disease ... Imaging, high res CT
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... With disease progression ... Calcification (seen in CT ... XRay #labeled #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... hematogenous spread of a disease ... differential #diagnosis #pulmonary ... CXR #clinical #CT
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
CT and ultrasonographic ... CT: - Thickened ... and effusion - Pulmonary ... progress of the disease ... POCUS #features #Radiology