A case of high thoracic kyphosis, that was found to be associated with a neuroenîeric cyst located at the poste-rior mediastinum is presented.
Total excision of the cystic fesion immediaiely antericr îo the verlebral column could be accomplished by a right Ihoracotomy and anterior as well as postGrjor in-situ fusions were performod for the rapidly progressing defor-mity.