Background: Dumbbell-shaped thoracic neurinomas represent a distinct type of tumor and can involve both the spinal canal and the posterior thoracic cavity. Successful management of posterior mediastinal dumbbell tumors depends on complete resection with adequate exposure.
Case description: A 40-year-old woman presented with history of progressive weakness of both lower limbs for 5 months and was bedridden for the last 23 days. Magnetic resonance imaging showed a dumbbell-shaped lesion at the D-6 level, extending through the intervertebral foramen between the D-6 and D-7. Through an elliptical incision on the right side of the D-6, hemilaminectomy was performed, and in addition, resection of the transverse processes of the D-6 and D-7 was performed to gain wide exposure. After initial internal decompression, tumor could be removed completely.
Conclusions: The present method was easy to perform, secure, and less invasive, and was well tolerated by the patient.