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Updated: Aug 16, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
Published on: December 18, 2016
T1-weighted MRI characteristics of pedal osteomyelitis
Mark S Collins1, Matthew M Schaar, Doris E Wenger
1Department of Radiology, Mayo Clinic, 200 First St. SW, Charlton 2-290, Rochester, MN 55905, USA. collins.mark@mayo.edu
Objective:
The objective of our study was to better define the T1-weighted MRI characteristics of surgically proven pedal osteomyelitis.
Conclusion:
Decreased T1 marrow signal in a geographic medullary distribution with a confluent pattern and concordance with fat-suppressed T2- and T1-weighted postcontrast signal abnormality was present in 100% of the surgically proven cases of pedal osteomyelitis. None of the patients with decreased T1 marrow signal in a subcortical distribution or in a hazy, reticulated pattern had surgically proven osteomyelitis regardless of the fat-suppressed T2-weighted or postcontrast T1-weighted findings.
