7 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
Radiation Doses for 5 Year-Old ... #Background #Radiation ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #Peds
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... is interstitial lung ... #Diagnosis #Radiology
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
3 mSv/year 1 day ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #Peds
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... #Diagnosis #Radiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Tomography (CT) — Lung ... #Background #Radiation ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
chest film of a 19 year ... diagnosis in this ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #