9 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia - Clinical ... - Imaging: • CXR ... irregular lines, nodular ... zone, GGO, small modular ... Pneumonia - Diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... , cryptogenic organising ... cavitary lesions, lobular ... #Radiology #RHS
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... maybe there is an air-bronchogram ... (OP) also known ... #Clinical #Radiology ... #CXR #Peripheral
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia ... in fact this is nodular ... interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... diseases like organizing ... granulomatous noduli ... #Diagnosis #Radiology ... #Pulmonary #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest #
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
chest CT in a lobular ... , HP, COP https ... Attenuation #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... Crescent #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Katayama Fever - Physical examination and diagnostic testing revealed multiple small papules on the trunk (Panel
examination and diagnostic ... several ill-defined nodular ... #Clinical #Radiology ... InfectiousDisease #CXR ... KatayamaFever #Rash #NEJM