307 / 1311
21.05.14 |
StefanDelorme
Division ofRadiology
Dynamic or static
Contrast enhancement
Time
Curve with 7
measuring
points
Parenchyma
Curve with 3
measurements
21.05.14 |
StefanDelorme
Division ofRadiology
Subtraction
Plain
Subtraction
Enhanced
21.05.14 |
StefanDelorme
Division ofRadiology
Dynamic enhancement evaluation
•
Initial signal rise
•
< 50%
•
50% - 100%
•
> 100%
•
Gross signal evolution
•
Continuous increase
•
Plateau
•
Wash-out
•
Enhancement pattern
•
Homogeneous
•
From center to periphery
•
Fibroadenomas, lymph nodes
•
From periphery to center
•
Carcinomas
21.05.14 |
StefanDelorme
Division ofRadiology
Morphology
•
Diameter
•
Shape
•
Round, oval, polygonal, linear, tubular
•
Dendritic, spiculated, multiple longitudinal (Comedo-like)
•
Delineation
•
Smooth
•
Unsharp
•
Enhancement pattern
•
Homogeneous, septations
•
Inhomogeneous
•
Ring enhancement
•
Thin, sharp -> Often with cysts or fatty necrosis
•
Thick, unsharp -> Suspicious
21.05.14 |
StefanDelorme
Division ofRadiology
Multicentric breast carcinoma
21.05.14 |
StefanDelorme
Division ofRadiology
Multicentric breast carcinoma