Obstructive hydrocephalus secondary to odontoid pannus: case report and review of literature
Wai Cheong Soon1, Gopiga Thanabalasundaram1, Kyaw Zayar Thant2
1Department of Neurosurgery, Queen Elizabeth Hospital Birmingham, Birmingham, UK.
Abstract:
Odontoid pannus or periodontoid pseudotumour is associated with a variety of rheumatological conditions. We report a case of an 80-year old man who presented with acute hydrocephalus following an emergency operation to amputate his infected left big toe. Imaging revealed a large tissue mass causing severe compression at the cervico-medullary junction and obstruction of CSF flow. The acute hydrocephalus was presumed to be related to neck manoeuvring during general anaesthesia. Following an initial emergency CSF diversion through external ventricular drainage catheter insertion, the patient subsequently underwent ventriculo-peritoneal insertion and posterior spinal decompression and fixation. To our knowledge, there have been no reported cases of tophaceous gout of the odontoid pannus causing acute hydrocephalus.
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