Presentation
Chronic back, hip, and perineal pain. HLA-B27 positive. Previous diagnosis of ankylosing spondylitis.
Patient Data
Age: 60 years
Gender: Male
From the case:
Ankylosing spondylitis - calcified sacrotuberous ligament
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Info
- sclerosed bilateral sacroiliac joints
- pencil-like calcifications extending from sacrum to ischial tuberosities, suggesting sacrotuberous ligament calcification
- bilateral hip arthropathy
Case Discussion
One of the significant complications, apart from sacroiliitis, in cases of ankylosing spondylitis is the calcification of sacrotuberous and sacrospinous ligaments. This can cause pudendal canal entrapment, resulting in chronic perineal pain. It is important to recognize and mention this finding if demonstrated.
Case courtesy: Dr. Abhijit Yadav, Dr. BL Yadav Imaging and Research Center, Satna.