Anterior angulation of the coccyx and bilateral accessory sacroiliac joints

Case contributed by Rania Adel Anan
Diagnosis certain

Presentation

Coccydynia. No history of trauma.

Patient Data

Age: 35 years
Gender: Female
This study is a stack
Sagittal
bone window
This study is a stack
Coronal
bone window
This study is a stack
Axial
non-contrast
This study is a stack
3D
VR
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Info

Sharp forward angulation of the coccyx between its 1st and 2nd segments.

Incidentally noted bilateral accessory articulation between the posterior aspect of the sacrum (lateral to the second dorsal sacral foramen) and an osseous projection of the iliac bone.

Case Discussion

CT findings of anterior angulation of the coccyx (type III) and bilateral accessory sacroiliac joints.

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