11 results
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... in the proper clinical ... On the CT cavitation ... #Clinical #Radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Differential Diagnosis ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
CT • Patent airways ... edema, severe ILD ... Bronchogram #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... bronchiectasis, CF, ILD ... #Track #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
carcinoma, the diagnosis ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... #ILD #RadiologyAssistant
On the left an immunocompromised patient with PCP.
The CT findings are diffuse ground-glass opacification.
The findings are
The CT findings ... the most likely diagnosis ... #Clinical #Radiology ... #CTChest #PJP # ... Pneumocystis #Pneumonia
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... to 8 years Clinical ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... conditions Diagnosis
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
these non-specific CT ... broad differential diagnosis ... and additional clinical ... #Clinical #Radiology ... #CTChest #RBILD
Melioidosis - Skin Infection
63M h/o diabetes with c/o fever, chest pain, dyspnea x 3 days, CT
dyspnea x 3 days, CT ... lobe pneumonia ... Diagnosis: Melioidosis ... Infection #Cellulitis #Clinical ... #Photo #dermatology
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... suggestive of the diagnosis ... #Clinical #Radiology ... #CTChest #AIP # ... AcuteInterstitialPneumonia #ILD