A case of dumbbell tumor of the superior mediastinum removed by combined thoracoscopic surgery.
Solitary osteochondroma presenting as a dumbbell tumor compressing the cervical spinal cord.
Lymphangioma presenting as a dumbbell tumor in the epidural space of the lumbar spine.
Kawaguchi et al., "Dumbbell scoring system a new method for the differential diagnosis of malignant and benign spinal dumbbell tumors," Spine, vol.
Iwamoto, "Malignant peripheral nerve sheath tumors presenting as spinal dumbbell tumors: clinical outcomes and characteristic imaging features," European Spine Journal, vol.
Dumbbell tumors of the cervical tract (C3-C6) with extracanalar extension were treated with a combined posterior and anterior approach.
Schwannomas of the lumbar region were treated with posterior laminectomy/laminotomy, extended with facetectomy, or even a transpeduncular approach in selected patients with dumbbell tumors.
Five dumbbell tumors of the cervical tract (various locations from C3 to C7) were resected using an anterior-lateral approach  (Figure 1).
Surgical management of dumbbell tumors
of the cervical spine.
A bony constriction at the foramen gives them an hourglass shape, being described as dumbbell tumors .
Although different classifications for dumbbell tumors of the spine have been proposed, none is sufficient to determine optimal surgical planning in view of recent advances in minimally invasive spine surgery techniques .
McCormick, "Surgical management of dumbbell tumors of the cervical spine," Neurosurgery, vol.