6 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
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
2-view chest 0.02 ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #Comparison #Table ... Risks #Testing #Study
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
important finding on a chest ... has a limited differential ... #Diagnosis #Radiology ... #CXR #Lobar #Collapse ... #Patterns #Comparison
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
years - Upper GI Study ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #CXR #CT #Nuclear ... #Comparison #Table
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... #PatientInfo #Radiology ... #CXR #CT #Nuclear ... #Comparison #Table ... Risks #Testing #Study
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... Histiocytosis #Cystic