We report a case of congenital dermoid cyst of the conus medullaris without
associated dysraphic lesion treated surgically. An 18-year-old man had a o
ne-year history of binder sphincter disorders and more recent acute renal f
ailure with urinary tract infection.
The diagnosis of intramedullary tumor was provided by myelo CT and MRI conf
irmed by histology. At 10-month follow-up, the postoperative course was goo
d.