21 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Diagnosis: ... COP DDX: • CAP ... BOOP #pulmonary #ILD ... #diagnosis #management
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... , pulm AVM, GPA ... Feeding #Vessel #Sign ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... mueormycosis, GPA ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Lemierre’s Syndrome - Clinical Presentation

97% have septic emboli to the lungs!  So look for pneumonia,
- Clinical Presentation ... emboli to the lungs ... So look for pneumonia ... #Presentation #Signs ... #Symptoms #Diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... in the proper clinical ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF, ILD ... ABPA Kartagener's syndrome ... #diagnosis #radiology ... #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... the differential diagnosis ... Biopsy revealed the diagnosis ... of organizing pneumonia ... #Clinical #Radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... edema, severe ILD ... #Bronchogram #Sign ... #diagnosis #radiology ... #clinical
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... the absence of intrinsic ... lung disease Caused ... shunt (Type 2) Clinical ... on radioactive lung
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
and metastatic lung ... rheumatoid nodules, GPA ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical