eMedicine Specialties > Radiology > Musculoskeletal
Pelvis, Insufficiency Fractures: Multimedia
Updated: Mar 25, 2009
Multimedia
 | Media file 1: Anteroposterior radiograph of the pelvis demonstrates areas of sclerosis in both sacral alae. Parasymphyseal fractures oriented vertically are seen as linear areas of osteolysis and adjacent sclerosis (arrows). Insufficiency fractures subsequently were confirmed on bone scans and CT. |
 | Media file 2: Axial CT of the sacrum reveals fractures (arrows) in both sacral alae. Note the sclerosis of the adjacent bone. |
 | Media file 3: Coronal CT of the sacrum demonstrates fractures (arrows) in both sacral alae. These fractures are oriented parallel to the sacroiliac joints. Note the prominent adjacent sclerosis. |
 | Media file 4: Axial CT of the pubis reveals insufficiency fractures (arrows) in both parasymphyseal regions. Total hip replacement is an additional predisposing causative factor. |
 | Media file 5: Axial CT of the sacrum reveals 2 large Tarlov cysts (arrowheads) in the sacrum. The sacral insufficiency fractures produce anterior cortical breaks (arrows). |
 | Media file 6: Axial T1-weighted MRI of the sacrum demonstrates decreased signal in the body and both alae of the sacrum. Bilateral sacral insufficiency fractures were confirmed by CT. |
 | Media file 7: Axial T2-weighted MRI of the sacrum (same patient as in Image above) demonstrates linear bands of decreased signal in both sacral alae, parallel to the sacroiliac joints. Traces of fluid are observed within the fractures (small arrows). Adjacent edema is seen as areas of increased signal. Bilateral sacral insufficiency fractures were subsequently confirmed by CT. |
 | Media file 8: Axial CT of the sacrum (same patient as in Image above) reveals insufficiency fractures in both sacral alae and the sacral body (arrows). |
 | Media file 9: Bone scan of the pelvis reveals a butterfly-shaped area of uptake in the sacrum (arrows). Focal uptake in the pubis (arrowhead) corresponds to an associated parasymphyseal insufficiency fracture. |
 | Media file 10: Bone scan of the pelvis reveals an incomplete (or partial) H-shaped area of uptake in the sacrum (arrows). Bilateral parasymphyseal insufficiency fractures (arrowheads) are present. |
 | Media file 11: Bone scan of the pelvis demonstrates a horizontal linear dot pattern of uptake in the sacrum. |
 | Media file 12: Bone scan of the pelvis demonstrates a linear area of uptake in the pubis (arrowheads). A concomitant H-shaped insufficiency fracture of the sacrum is observed. |
More on Pelvis, Insufficiency Fractures |
| Overview: Pelvis, Insufficiency Fractures |
| Imaging: Pelvis, Insufficiency Fractures |
| Follow-up: Pelvis, Insufficiency Fractures |
 Multimedia: Pelvis, Insufficiency Fractures |
| References |
| Further Reading |
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References
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Further Reading
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Fracture, Pelvic
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Keywords
pelvis insufficiency fracture, pelvis fracture, pelvic fracture, fracture of pelvis, stress fracture, pubic bone, parasymphysis, pubic rami, unstable pelvic fracture
