Table 1.
Demographics, presentation, investigations, and tumor characteristics.
| Variable | |
|---|---|
| Demographics | |
| Total patients | 46 |
| Total CBT resections | 49 |
| Age, years | |
| Mean | 50 ± 15 |
| Gender | |
| Male | 7 (15%) |
| Female | 39 (85%) |
| BMI | 31.7 ± 7.7 |
| Concurrent contralateral CBT | 3 (7%) |
| Family history of CBT | 4 (9%) |
| SDH mutation | 2 (4%) |
| Presentation | |
| Neck mass | 33 (72%) |
| Cranial nerve palsy | 3 (7%) |
| Dysphagia | 3 (7%) |
| Headache | 4 (9%) |
| Presyncope or syncope | 4 (9%) |
| Vertigo | 2 (4%) |
| CVA | 2 (4%) |
| Incidental finding | 10 (22%) |
| Multiple symptoms | 16 (35%) |
| Functional studies | |
| Performed | 25 (54%) |
| Functional tumor | 2 (4%) |
| Imaging | |
| CT arteriogram | 42 (86%) |
| MRI | 18 (37%) |
| Ultrasound | 26 (53%) |
| Radionucleotide scan | 4 (8%) |
| Tumor | |
| Maximal diameter, cm | 3.5 ± 0.9 |
| Laterality of resected tumor | |
| Right | 20 (41%) |
| Left | 29 (59%) |
| Shamblin classification | |
| Shamblin I | 9 (18%) |
| Shamblin II | 28 (57%) |
| Shamblin III | 12 (24%) |
CBT: carotid body tumor; BMI: body mass index; SDH: succinate dehydrogenase; CVA: cerebrovascular accident; CT: computed tomography; MRI: magnetic resonance imaging.
Categorical variable are presented as a number (n, %). Continuous variables are presented as a mean ± standard deviation or median (range).