13 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
included in the differential ... Metaphysis: NOF, SBC, CMF ... sarcoma, SBC, ABC ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... Diagnosis Algorithm ... in adults - Breast ... #Diagnosis #Algorithm ... Causes #Oncology #Radiology
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... distortion in a mid zone ... The HRCT shows a ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... , PCP. - Lower zone ... bronchiolitis #Diagnosis #Radiology ... #GroundGlass #Differential ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... upper versus lower zone ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... The left one is ... the well defined areas ... #Clinical #Radiology ... HypersensitivityPneumonitis #ILD #RadiologyAssistant
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... syndrome, Congestion/CHF ... hemolysis) • ALP: Bone ... #diagnosis #algorithm
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... a strong lower zone ... Clinical #Diagnosis #Radiology ... Fibrosis #Mimic #ILD #RadiologyAssistant