Male 24 years old; Sacral decubitus ulcer, concern for osteomyelitis The images are degraded by motion artifact.A peripherally enhancing sacral decubitus ulcer is present, measuring 6 cm in CC dimension. This also extends down to the level of the coccyx, with the loss of normal bone marrow signal on T1 sequences, compatible with osteomyelitis.A second larger ulcer more inferiorly in the left buttock measures approximately 10 cm in transverse dimension with two deeper extensions, one to the posterior acetabulum and another to the left femur greater trochanter. There is indistinctness of the cortices of the bones with loss of the normal bone marrow signal, compatible with osteomyelitis. The medial aspect of this ulcer extending towards the perineum is not fully visualized due to extensive motion artifact, though appears grossly similar to the prior study.An third soft tissue ulcer extends through the right lateral soft tissues to the right femur greater trochanter. There is indistinctness of the cortex along the greater trochanter, compatible with osteomyelitis. The previously seen associated fluid collection suspicious for abscess is again noted.Diffuse soft tissue edema is present in the subcutaneous fat. Diffuse fatty atrophy is noted.
Limited study due to extensive motion artifact. Multifocal soft tissue ulcers with associated osteomyelitis, as above.