Total spondylectomy of C2: a new surgical technique
According to the available sources, no case of total spondylectomy of C2 with preservation of roots, preservation of vertebral arteries and a short fixation without occipitocervical fusion has been so far described in the literature. We decided to perform a radical surgery in a man, now 27 y. o., wi...
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Veröffentlicht in: | Acta chirurgiae orthopaedicae et traumatologiae Čechoslovaca 2007-04, Vol.74 (2), p.79-90 |
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Zusammenfassung: | According to the available sources, no case of total spondylectomy of C2 with preservation of roots, preservation of vertebral arteries and a short fixation without occipitocervical fusion has been so far described in the literature. We decided to perform a radical surgery in a man, now 27 y. o., with solitary metastasis of thyroid adenocarcinoma. In the first step, we applied the posterior surgical approach. The patient was placed prone on a standard operating table with a support of head fixed by adhesive plaster, with the upper cervical spine slightly bent forward. We made a mid-line incision, extending from the external occipital protuberance to the C7 spinous process, controlled bleeding and exposed the C0-C4 section. Subsequently, the entire posterior epistropheus was resected, including most of the pedicles and the entire articular processes for C2-C3 articulation. Both the C2 roots were preserved, however, we had to control quite a profuse bleeding from the venous plexus around the left root. During dissection, the dural sac was damaged in the region of the attachment of the left root, which was treated by suture and covered with Tissucol fibrin sealant. Screws 4.0 mm thick, were inserted into the lateral masses of the atlas after Harms and 4.0mm screws into the C3 and C4 articular processes. On both sides, the screws were connected with 3.2 mm rods, and a transverse stabilizer was then applied to fix the two sides together. Cancellous bone grafts were harvested from the iliac crest and a massive posterolateral and posterior fusion of C1-C4 was performed. The second operation was performed after 21 days. Transoral transmandible approach without tongue splitting was applied. The patient was placed supine on a standard operating table with a support of neck, the head was fixed by adhesive plaster and slightly bent back, and tracheostomy was inserted. An arched incision through the middle of the red lip was made, extending 2 cm straight caudally and arching across the chin and neck, in the midline. On the caudal end we made a transverse inverted T incision. Subsequently, we exposed and osteotomised the mandible using the midline Z-type incision. In order to identify the space between the anterior arch of C1 and the C4 vertebral body, the Synframe retractor was inserted with one blade opening the mouth by pressure on the upper teeth and two blades pressing the tongue caudally. Then an inverted U incision through the mucosa of pharynx was made to identi |
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ISSN: | 0001-5415 2570-981X |
DOI: | 10.55095/achot2007/011 |