$$\begin{aligned} & {\text{Percentage}}\;{\text{of}}\;{\text{signal}}\;{\text{change}} \\ & \quad = \left( {{\text{post}} - {\text{contrast}}\;{\text{signal}} - {\text{pre - contrast}}\;{\text{signal}}} \right)/{\text{pre - contrast}}\;{\text{signal}} \times...
MRI provides high soft tissue contrast and is able to detect edema, a potential marker of inflammatory stages in FOP.(9–12) MRI is currently used in FOP to evaluate the presence of edema early in flare-ups. (10) Whether the two stages of FOP, active flareups and asymptomatic c...