A case of penetrating spinal cord injury in 47 year old man, caused by migration of Kirschner wire is presented. The pati-ent underwent the operation for acromioclavicular luxation 2 years ago - osteosynthesis with the use of 2 Kirschner wires. Admission with clinical symptoms of severe paraparesis of lower limbs. CT proved penetration of the first K-wire transver-sally through spinal cord in the level C7/T1, the second one stopped in the right transversal foramen T4. Emergent operation - extraction of Kirschner wires, followed by methyl-prednisolon therapy, according NASCIS II study. Gradual partial recove-ry of neurological deficit, with ability to walk and continence. Permanent sexual dysfunction

        Key words: spinal cord injury - penetrating - Kirschner wires - operation