====== 1888 ====== [[1887]]-[[1889]] In [[1888]], [[Victor Alexander Haden Horsley]] successfully removed an intra[[spinal tumor]] (located at the sixth and seventh thoracic vertebra) for the first time ((Cury J, Coelho RF, Srougi M. Retroperitoneal schwannoma: case series and literature review. Clinics (2007) 62:359–62. doi:10.1590/S1807- 59322007000300024)).