16 results
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
obstruction) - Grp ... smoking. structural lung ... Burkholderia — structural lung ... metapneumovirus - Coronavirus ... MAC (structural lung
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... leading into a lung ... , pulm AVM, GPA ... #Vessel #Sign #CT ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... mueormycosis, GPA ... #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest CT ... Organizing Pneumonia ... COVID19 #Patterns #Lung ... Pulmonary #ChestCT #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... Pattern #Chest #Radiology ... CXR #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... Streptococcus Grp ... Chlamydophila pneumoniae ... failure, COPD, Lung ... CXR +/- High res CT
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... periphery of two lungs ... Radiologia Torácica ... #GroundGlass #CoronaVirus
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
Sign) on Chest CT ... and metastatic lung ... rheumatoid nodules, GPA ... Cheerio #Sign #CT ... #diagnosis #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest CT ... IFI, PJP, LG, GPA ... Reverse #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Paving on Chest CT ... • DDx: PAP, pulm ... #Paving #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology