12 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... CT 1. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... extending to the lung ... bronchiectasis, CF ... #Lung #Pulmonary ... #diagnosis #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Growers (Runyon Classification ... Growers (Runyon Classification ... massiliense in CF ... • Dyspnea, • Chest ... Imaging, high res CT
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
film (Table). ... chronic obstructive lung ... #Diagnosis #Radiology ... #CHF #CXR #Stages ... #Findings #Signs
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
heart failure (CHF ... In the lungs LV ... can be seen on a chest-film ... #Diagnosis #Radiology ... #Findings #Diagram
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... a predominant finding ... (Table). ... #Diagnosis #Radiology ... #CTChest #Reticular