14 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
: ill defined centrilobular ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
Doses for 5 Year-Old ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
interpret them in clinical ... UltraSound (POCUS) to CT ... #Diagnosis #Radiology ... ChestXRay #KUB #CXR ... #Limitations #Comparison
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 ... setting by demonstrating ... #Clinical #Radiology ... #CXR #CTChest #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Pneumonitis. ... show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
#PatientInfo #Radiology ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • DM risk ... Pneumonitis 3. ... Lung Abscess - Clinical ... Blood cultures • CXR ... seen • Chest CT
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #