Coccydynia

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

History of fall 2 months earlier with trauma to sacral region

Patient Data

Age: 35 years
Gender: Male
mri

Abnormal bone marrow signal which is low on T1 and high on T2 fat sat images, and is present within the coccyx bone due to post-traumatic bone marrow edema.

Case Discussion

A recent patient that was referred to us with a history of intractable pelvic pain, despite analgesics and physiotherapy in the two months since an episode of acute trauma. The patient was unable to sit in the office for more than five minutes and could not sit on hard seats. MRI confirmed the presence of traumatic bone marrow edema of the coccyx.

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