12 results
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
in adults with background ... #PatientInfo #Radiology ... #Background #Radiation ... Nuclear #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... 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
14th CXRs 2-view chest ... mSv 200 CXRs Chest ... Pediatrics 2008 #PatientInfo ... #Radiology #Background ... Nuclear #Comparison #Table
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... mSv 8 months Chest ... 4-6 years #PatientInfo ... #Radiology #Background ... Nuclear #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Differential #Comparison #Table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
6 mSv 2 years CHEST ... mSv 6 months - Chest ... mSv 7 weeks #PatientInfo ... #Radiology #Background ... Nuclear #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... low attenuation (table ... On a Chest X-Ray ... detected on a chest ... #Diagnosis #Radiology
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
compares to the background ... #PatientInfo #Radiology ... #Background #Radiation ... CT #Comparison #Table