6 results
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
disease resembling TB ... upper lobes due to infection ... pus within the cavity ... #Clinical #Radiology ... AirFluidLevel #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #SepticEmboli #Cavity ... #RadiologyAssistant
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
virulent pyogenic infections ... granulomatous infection ... like TB, cavities ... #Clinical #Radiology ... CavitaryPneumonia #RadiologyAssistant
TB
This patient presented first with the CXR on the left.
The findings are:
Widespread ill-defined densities, which are
are: Widespread ill-defined ... Cavity in the right ... #Clinical #Radiology ... #SecondaryTB #Cavitary ... #RadiologyAssistant
Primairy TB is usually clinically silent.
In 5% of infected individuals the immunity is inadequate and clinically
of the latent infection ... with cavitaty formation ... #Clinical #Radiology ... #Cavitary #SecondaryTB ... #RadiologyAssistant
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
reversed halo sign ... **Includes cavitary ... hypersensitivity pneumonitis, infection ... Diagnosis #Pulmonary #Radiology ... #Differential #Algorithm