PMC7265450_01
(a and b) CT-image of the craniocervical region showed a severe cervical ankylosis with craniocervical stenosis and with a fracture of the anterior syndesmofyte at the C2-C3 level.
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F1
The CT [Figure 1a and b] and MR [Figure 2] studies showed cervical ankylosis with a severe retro-odontoid pannus and craniocervical stenosis with myelomalacia.
MR-image of the craniocervical region demonstrates a severe retro-odontoid pannus and subsequent craniocervical stenosis with myelomalacia.
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F2
The CT [Figure 1a and b] and MR [Figure 2] studies showed cervical ankylosis with a severe retro-odontoid pannus and craniocervical stenosis with myelomalacia.
Image of the posterior C0-C5 arthrodesis with C1 and C2 laminectomy with bilateral lateral mass screws at C1, C3, C4, and C5 and with bilateral pars screws at C2.
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F3
The patient underwent an urgent posterior C0-C5 arthrodesis with C1 and C2 laminectomy and bilateral lateral mass screws at C1, C3, C4, and C5 levels and with bilateral pars screws at C2 [Figure 3].
Postoperative imaging showed a good craniocervical decompression with a pannus in regression.
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F4