Acute sacrococcygeal dislocation (anterior type): A case report.

Kathmandu University medical journal

2004 Oct-Dec; 2 (4): 367-8.

Rijal KP, Pradhan RL, Sharma S, Lakhey S, Pandey BK.

Kathmandu Medical College, Kathmandu, Nepal.

Abstract

Sacrococcygeal dislocation is a rare injury. A twenty nine year old male presented to us with pain over the lowest part of spine of 5 days duration. He fell down on stairs with his buttock landing directly over the edge of the stairs. On examination, a step was felt in the continuity of sacrum and coccyx. The tip of the coccyx was not palpable. Per rectal examination revealed a small bump on running the finger along the sacrococcygeal curvature.

On plain radiographs of sacro coccygeal region, lateral view revealed anterior dislocation of the coccyx over the sacrum. On antero posterior view, the injury could not be identified. Under general anaesthesia, an attempt to reduce the dislocation per rectally was tried, but failed.

The patient was treated conservatively with analgesics. He refused surgery, as he was relieved of pain with analgesics.

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