12 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... next to pleura and ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... multiple round and ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... fibrosis perihilar and ... #Clinical #Radiology ... HighAttenuation #Pattern ... #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
Anteroposterior and ... #PatientInfo #Radiology ... #Background #Radiation ... #Nuclear #Comparison ... #Table #Risks #
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... glass opacity and ... consolidation #Clinical ... #Radiology #HRCT ... #Comparison #Table
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Portal Venous Phase and ... MRI #POCUS #radiology ... differential #diagnosis #comparison ... #table #appearance
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
interpret them in clinical ... Point Of Care UltraSound ... (POCUS) to CT or ... #Diagnosis #Radiology ... #Limitations #Comparison
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
- Extremity (hand ... #PatientInfo #Radiology ... #Background #Radiation ... #Nuclear #Comparison ... #Table #Risks #
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
or ‘hypoechoic’ background ... the fibrillar pattern ... a hyperechoic background ... #POCUS #Atlas #Clinical ... #Radiology #Comparison
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
of procedures and ... compares to the background ... #PatientInfo #Radiology ... #Background #Radiation ... #Comparison #Table