17 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 ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
on Chest CT • ... edema, severe ILD ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF, ILD ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... month history of chronic ... of chronic consolidation ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Affects 1:25,000 ... and 1:50,000 patients ... to 8 years Clinical ... Chest CT: • Ground-glass ... Lifelong IV or subcutaneous
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #RadiologyAssistant
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... : weight gain, lung ... *Chronic HFrEF may ... lack lung rales ... un lymphatic Diagnostic
Based on the images alone, it is usually not possible to determine the cause of the
chest x-rays. 1. ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... encounters due to NTM: Chronic ... patients such as: 1. ... • Clinical (Symptoms ... Imaging, high res CT
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
GrepMed Handbook Clinical ... Epidemiology: • #1 ... equivocal • CT ... • Flex-Sig: If ... 10 mg/kg IV x 1