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Atlantoaxial rotatory fixation secondary to tuberculosis of occiput: a case report
B K Dhaon1, Anuj Jaiswal, Vishal Nigam
1Department of Orthopaedics, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India. dhaon@nde.vsnl.net.in
Study Design:
A case of nontraumatic rotatory fixation of the atlantoaxial joint associated with tuberculosis of the occipital bone in an adult.
Objectives:
To report a rare case of atlantoaxial rotatory subluxation associated with tuberculosis of the occipital bone in an adult and to discuss the mechanism of fixation.
Summary Of The Background Data:
Atlantoaxial rotatory fixation in adults is rare and has been reported due to variety of causes. To the authors' best knowledge no case has been reported secondary to tuberculosis of the skull bone.
Methods:
A 20-year-old male presented with resistant torticollis with a duration of 5 months.
Results:
The patient had type 1 atlantoaxial rotatory fixation secondary to tuberculosis of the occipital bone. The subluxation was partially reduced by conservative means, and healing of the occiput lesion was achieved. Thereafter, the patient had no restriction of cervical spine motion and had no reoccurrence of subluxation at a follow-up of one and a half years.
Conclusions:
Effusion in the atlantoaxial joint secondary to infection in the occiput due to close proximity with the joint led to the laxity of ligaments and contributed to the subluxation.
