20 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Sarcoidosis Lower zone ... edema #Diagnosis #Radiology ... Differential #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... - Thyroid - Lung ... Tumours #MSK #Differential ... #Orthopedics #Causes ... #Oncology #Radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... non-perfused vessels and causes ... #Clinical #Radiology ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
In most cases small ... be placed into one ... structures of the lung ... #Diagnosis #Radiology ... Comparison #Diagram #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... consolidations, but one ... multiple ill-defined masses ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... , PCP. - Lower zone ... Centrilobular distribution ... bronchiolitis #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Therefore, conditions caused ... contribute to the upper zone ... • ↑ Mechanical stress ... Increased mechanical stress ... #STARCHASERS #radiology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... Radiology Imaging ... increased local stress ... • Bone contusion ... #diagnosis #msk
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
the most common cause ... disease to the lungs ... #Clinical #Radiology ... CXR #LungMets #Lung ... #Metastases #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Unknown • 6-7 cases ... CXR: Peripheral distribution ... zone, GGO, small ... studies legionella/strep