44 results
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Differential Diagnosis ... Opacities: • Infectious ... Nocardia, zoonotic infections ... #CXR #clinical ... #CT
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... The diagnosis based ... #Clinical #Radiology ... #CTChest #SeptalThickening ... #CHF #RadiologyAssistant
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
CT • Distinct ... Septic emboli, pulm infarction ... #Vessel #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
bronchiolitis in infection ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Metastases, Miliary Infection ... Sarcoidosis, NSIP, COP, Infection ... Bronchiectasis: Prior Infection
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... disease • Infectious ... Chest CT: • Ground-glass ... community-acquired infections
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 ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Same patient with nontuberculous mycobacteria infection.
Multiple small cavities are seen. #Clinical #Radiology #CTChest #NonTuberculosis #Mycobacteria #NTM
nontuberculous mycobacteria infection ... #Clinical #Radiology ... #CTChest #NonTuberculosis ... #NTM #Cavity #RadiologyAssistant
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
control of the infection ... Broncholithiasis - Clinical ... CT • Bronchoscopy ... Broncholithiasis - Infectious ... Endobronchial Infection
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
TTE +/- TEE) • Chest ... CT scan, if suspect ... for metastatic infection ... metastatic foci of infection ... #criticalcare #diagnosis