When hematoma is present, the muscle may be diffusely enlarged, with. In particular, changes in the intensity of the mass in the subacute phase from the acute phase. Hemorrhage is the escape of blood from vessels into surrounding tissues.
More severe muscle strains contain fluid collections such as hematomas and may contain grossly interrupted muscle fibers and thus may show masslike features on mr images. The microstructure of a hematoma also affects its mr. A discrete collection of clotted blood is known as a hematoma.
Although mri is often regarded as being insensitive to acute hemorrhage, this is untrue, particularly with more modern sequences 5,7. Changes in mri findings of traumatic hematoma over time are important for the diagnosis. However, the appearance of hemorrhage will be.