OBJECTIVES To determine whether repetitive tibial nerve stimulation (RTNS) affects neurogenic claudication and F-wave conduction in lumbar spinal stenosis. DESIGN An intervention study: before/after trial. SUBJECTS Data for 12 central lumbar spinal stenosis patients were compared with 13 age- and sex-matched healthy volunteers. METHODS A conditioning RTNS at the ankle, 0.3-ms duration squ...

The use of nuclear magnetic resonance (NMR) in the diagnosis of radicular pain due to lateral canal stenosis in 21 patients is reported. NMR was able to distinguish normal intervertebral discs from degenerate discs, and NMR evidence of reduction of epidural fat was more reliable than radiculography in identifying lateral root entrapment. NMR is an important advance in the investigation of lumba...

BACKGROUND Symptomatic lumbar spinal stenosis produces gradually progressive back and leg pain with standing and walking, relieved by sitting or lying. One of the uncommon symptoms is involuntary intermittent penile erection due to spinal canal stenosis. This symptom is very rare and often forgotten when history is taken. METHODS In this case report, a patient suffering from intermittent pria...

Biomechanical assessment of minimally invasive posterior decompression for lumbar spinal canal stenosis -A cadaver studyTakahiko Hamasaki1,2,3, Nobuhiro Tanaka3, Motohiro Okada1,2, Jin Hwan Kim1,2, Mitsuo Ochi3, William C. Hutton1,2 1Emory Spine Center, Atlanta, GA; 2Orthopaedic surgery, VA medical center, Atlanta, GA; 3Orthopaedic surgery, Hiroshima University, Hiroshima, Japan [email protected]...

PURPOSE All structures of the spine, including the spinal canal, change continuously with age. The purpose of this study was to determine how the spinal canal of the lumbar spine changes with age. The L4/5 is the most common site of spinal stenosis and has the largest flexion-extension motion, whereas the T5/6 has the least motion. Therefore, we measured the spinal canal diameter and vertebral ...

Analysis of The Histopathological Changes of Epidural Space and Endoneural Structure in Lumbar Spinal Canal Stenosis: a Model For Chronic Compression of The Rat Cauda Equina Nail ÖZDEMİR, Ümit Dursun ACAR, M. Şerefettin CANDA Tepecik Research and Training Hospital , Neurosurgery, İzmir, Türkiye University of Dokuz Eylül School of Medicine, Neurosurgery, İzmir, Türkiye University of Mustafa Kema...

INTRODUCTION Achondroplasia is a genetic disorder of bone growth. Congenital spinal stenosis is a well-known complication of this disease, but, to the best of our knowledge, no cases involving combined stenosis with congenital lumbar spinal stenosis and ossification of the ligamentum flavum in achondroplasia have been reported previously. In this report, we describe a case of a patient with con...

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BACKGROUND AND PURPOSE Imaging features of spine degeneration are common in symptomatic and asymptomatic individuals. We compared the prevalence of MR imaging features of lumbar spine degeneration in adults 50 years of age and younger with and without self-reported low back pain. MATERIALS AND METHODS We performed a meta-analysis of studies reporting the prevalence of degenerative lumbar spin...

BACKGROUND The study of lumbar spine pathology requires adequate preparation and knowledge of the normal structure of this part of the spine. The main goal of the study was to assess spinal canal morphology with computed tomography. The sagittal and interpedicular dimensions and surface area were considered the most important measurements. An additional goal was to assess the shape of the spina...