23 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 ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Tuberculosis Diagnosis ... assay (IGRA) • PPD ... and Culture • CXR ... disease • Check CXR ... Tuberculosis #TB #Diagnosis
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... TB • Abnormal CXR ... carcinoma of head/neck/lung ... Underweight • Injection ... SkinTest #TST #diagnosis
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
Sand Storm Sign ... on Chest CT • Diffusely ... arrow) • DDx: PAM ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
The diagnosis of ... the peripheral lung ... A signet-ring sign ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... Nocardia, zoonotic infections ... #pulmonary #CXR ... #clinical #CT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Tuberculosis Diagnosis ... assay (IGRA) • PPD ... and Culture • CXR ... disease • Check CXR ... Tuberculosis #TB #Diagnosis
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... - Chronic post-infection ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... superimposed pulmonay infection ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant