52 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Coins on Chest XRay - Trachea vs Esophagus

Coins in the sagittal plane on X-ray are more
Coins on Chest XRay ... plane on X-ray are ... Pediatrics #CXR #Radiology ... #Comparison #Clinical
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 ... 0.02 mSv 1 CXRs ... 200 CXRs Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules are ... the overlap in differential ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Perilymphatic #Nodular #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... Cyst #Emphysema #Comparison
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
a few lesions are ... included in the differential ... be added to the differential ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
These are often ... pleural nodules are ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... MultipleNodules #Nodules #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... Tomography (CT) — Chest ... 6 months - Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison