OBJECTIVE: Aging, expressing postmaturational changes, is a process that contains a decline in the organism's simultaneous and harmonic response, adaptation potential, and resistance ability to external and negative events (stressors and stimuli). The free radical theory of aging puts forward tha...

We designed a microneurosurgical training model for residents in neurosurgery to practice the basic steps of the posterior fossa approach. The training material consisted of a fresh cadaveric sheep cranium. A four-step approach was designed to open the cisterna magna, access the fourth ventricle,...

Spinal trauma is relatively rare in pediatric patients. The anatomy and biomechanics of the growing spine produce failure patterns different from those in adults. Spinal injury in the pediatric trauma patient is a significant concern as the prevention of further neurologic damage and deformity an...

OBJECTIVE: This study evaluates the efficiency of interbody polyetheretherketone (PEEK) cage implantation in 85 consecutive cases treated for discogenic cervical disorders with radiculopathy or myelopathy. METHODS: Between the years 2002-2005, 85 patients were treated with cervical interbody fus...

OBJECTIVE: The aim of this study was to describe subjective and objective criteria for ultrasonographic diagnosis of the carpal tunnel syndrome (CTS). METHODS: The study population consisted of 165 hands of 114 cases with idiopathic CTS while the remaining 291 hands were asymptomatic. All hands ...

OBJECTIVE: This clinical study evaluated mixed tumor pathologies in the lumbar dural sac. Currently, there are few published clinical studies with longterm follow-up in the literature. METHODS: This is a retrospective review of the clinical presentation, diagnosis and management of 24 patients w...

OBJECTIVE: Giant spinal schwannomas are rare tumors. Complete excision is recommended for these tumors because inadequate removal has a high risk of recurrence, which requires more definitive, difficult, and dangerous surgery. However, complete removal poses difficulties and combined multistage ...

OBJECTIVE: Various operation techniques have been performed for treatment of lumbosacral spondyloptosis. However, there is not a standard treatment strategy because the disease is rare and the reported cases are in small series of other high-grade spondylolistheses. METHOD: A28-year-old lady wit...

Cerebellar liponeurocytoma is a rare cerebellar tumor, with only about 20 cases reported under many different names. Although the few cases described in the literature support the relatively benign nature of this lesion, the optimum treatment strategy and long-term behavior still have to be defin...

We report a rare complication of spinal instrumentation in a paraplegic patient who underwent insertion of a Hartshill rectangle system using Luque sublaminar wires for a fracture dislocation of his tenth thoracic vertebra after being involved in road traffic accident in 1997. The patient present...