Year : 2019  |  Volume : 6  |  Issue : 4  |  Page : 298-301

Extending the boundaries of carotid body tumor excision with a maxillofacial surgeon

1 Department of Dental Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu, India
2 Department of Vascular Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu, India

Correspondence Address:
Dr. Dheepak Selvaraj
Department of Vascular Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijves.ijves_15_19

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Introduction: Carotid body tumor (CBT) excision at times requires a multidisciplinary approach. Requests for mandibular swing or mandibular subluxation were received by the department of dental and oral surgery to aid in CBT excision. Methods: Patients who were referred between March 2013 and April 2018 were retrospectively reviewed. Criteria for deciding between mandibular swing and mandibular subluxation for each patient were identified and outcome of the decision was analyzed. Follow-up period was 6 months to 5 years. Results: Of 53 patients operated during the study, 16 patients were referred for intraoperative assistance. Of the 16 patients, 10 were Shamblin 3 with 2 of these being redo cases and others were Shamblin 2. In all cases, the length of internal carotid artery (ICA) from the base of the skull was 1.5 cm or less. Mandibular swing was performed in three patients, all for Shamblin 3 with two of them being the redo cases, and mandibular subluxation was done for 13 patients. One patient who underwent mandibular swing and two patients who had mandibular subluxation had transient hypoglossal nerve palsy and all of them recovered. None of the patients for whom a mandibular swing was done had marginal mandibular nerve weakness. One patient lost a tooth at the mandibular osteotomy site. All patients had an acceptable scar. Among the patients who underwent mandibular subluxation, one patient had postoperative temporomandibular joint pain, which gradually subsided over 3 weeks. Conclusions: Mandibular swing and mandibular subluxation help provide the vascular surgeon with the additional space needed when excising CBTs, which extend close to the base of the skull with 1.5 cm or less of ICA from the base of the skull. The maneuvers help easier dissection and reconstruction of the ICA, reduce nerve injury and operating time, and reduce hospital stay and therefore cost to the patient.

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