Patchy high signaling shadow seen under the skin in the lower back, what is it?

Patchy high signal shadow seen under the skin of lumbar back may be lumbar back fasciitis, lumbar muscle strain, subcutaneous tissue infection and other diseases.
1. Lumbar back fasciitis: during the onset of lumbar back fasciitis in the lumbar MRI examination, can be found in the subcutaneous tissue or deep tissue of the long strip or piece of long T1 and long T2 signal shadow, the border is clear, mainly tissue oozing liquid signal.
2. Lumbar muscle strain: acute lumbar muscle strain can appear in the injury site of aseptic inflammatory reaction, in addition to pain symptoms, but also with subcutaneous or peri-muscular inflammatory exudation, in the lumbar MRI can be seen in the lumbar back of the subcutaneous see the strips of flaky watery high signal shadow.
3. Subcutaneous tissue infection: lumbar subcutaneous tissue infection, such as trauma caused by subcutaneous suppurative infection, infection foci in the lumbar MRI can be seen in the lumbar dorsal subcutaneous patchy or flaky high signal shadow.
The appearance of lumbar back subcutaneous flaky high signal shadow, may also be other reasons, under the guidance of the doctor to accept the appropriate treatment.