Ankylosing spondylitis - calcified sacrotuberous ligament

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.

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