29 results
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... diameter are called lung ... a repeat chest CT ... malignancy, clinical ... Management options
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
nodule with a central ... and metastatic lung ... malignancy, rheumatoid nodules ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... nodule or mass ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... CT demonstrates ... the ill-defined nodules ... feeding vessel sign ... SepticEmboli #Cavity #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Comparison #Table #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... opacity due to lung ... centrilobular nodules ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... nodules or a mass ... CT demonstrated ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... consolidation or nodular ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Bronchus Sign on ... Chest CT • Airway ... nodule or mass ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... , erythematous nodules ... consolidation or nodular ... Imaging: Irregular nodules ... nodules possible