45 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest CT ... radiopaedia.org/cases ... bronchopulmonary-segments-annotated-ct ... Segments #Chest #CT ... CTChest #pulmonary #clinical
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 ... Obstruction 6) Rheumatologic ... /Autoimmune diseae
Regression of Clubbing after Treatment of Lung Cancer #Clinical #PhysicalExam #Radiology #Clubbing #Regression #LungCancer #CT #NEJM
after Treatment of Lung ... Cancer #Clinical ... Regression #LungCancer #CT ... #NEJM
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... structures in the right lung ... CT demonstrated ... bronchiectasis with ... #Clinical #Radiology
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... refer + order CT ... History of cancer, lung ... Diagnosis #Algorithm #causes
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... biliary, renal, lung ... concentration PET-CT ... workup #treatment #rheumatology
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 ... #Track #Sign #CT ... diagnosis #radiology #clinical
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 #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Periodontal disease ... Lung Abscess - Clinical ... seen • Chest CT ... #differential #causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... pulmonale, in advanced disease ... in the adjacent lung ... of the affected lung ... high-resolution chest CT