J Korean Soc Radiol.  2012 May;66(5):473-480. 10.3348/jksr.2012.66.5.473.

The Clinical Significance of Adjacent Rib Involvement on MRI in Patients with Acute Osteoporotic Compression Fractures of the Thoracic Spine

• Kim HJ
• Kim JH
• Kwon KH
• Choi DL
• Bae WK
• Goo DE
• Suh YS

• KMID: 1439452
• DOI: http://doi.org/10.3348/jksr.2012.66.5.473

Abstract

PURPOSE
The purpose of this study was to evaluate the significance of the presence of adjacent rib involvement in osteoporotic compression fractures.
MATERIALS AND METHODS
All the patients with acute osteoporotic compression fractures of the thoracic spine on thoracic spine MRI that presented to our clinic between September 2003 and January 2010 were retrospectively reviewed. All the vertebrae were divided into two groups: those that showed signal-intensity change in the rib adjacent to the compression fracture and those that did not. We compared the results between the two groups to determine if there were differences in the degree of osteoporosis, the compression fracture level and the age of patients between the two groups. We calculated the degree of correlation between the MRI and the bone scan images of these patients. We also reviewed whether percutaneous vertebroplasty relieved symptoms or not.
RESULTS
Signal-intensity changes were found in the adjacent rib(s) in 12 of the 60 patients and in 14 of the 94 levels (the total number of levels). The MRI and bone scan showed significant correlation (p < 0.001). There was a statistically significant difference in the incidence of pain at the one-month outpatient follow-up between the two groups (p = 0.0215).
CONCLUSION
The radiologist should comment on the presence or absence of adjacent rib involvement when reporting on the thoracic spine MRI of patients suffering from osteoporotic compression fractures in order to more accurately determine prognosis.

MeSH Terms

Follow-Up Studies
Fractures, Compression
Humans
Incidence
Osteoporosis
Outpatients
Prognosis
Retrospective Studies
Ribs
Spine
Stress, Psychological
Vertebroplasty

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