4 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #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
#Background #Radiation ... Doses #Imaging #ChestXRay ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #Peds
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
3 mSv/year 1 day ... Doses #Imaging #ChestXRay ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #Peds
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Tomography (CT) — Lung ... #Background #Radiation ... Doses #Imaging #ChestXRay ... #CT #Nuclear #Comparison ... #Table #Risks #