Fig. 2From: C1-C2 subluxation in enthesitis-related arthritis: two case reports and literature review of ten casesComputed tomography of cervical spine showing C1-C2 subluxation in the present patient with enthesitis-related arthritis with bilateral sacroiliitis. Computed tomography (CT) of the cervical spine shows widened left interspace between the odontoid process and arches of the atlas in coronal view (black arrow, A) and in axial view (black arrow, B). Three-dimensional reconstruction of cervical spine CT also indicates widened lateral space in the left interspace between the odontoid process and arches of the atlas (white arrow, C). R: Right; L: LeftBack to article page