Neupsy Key

Ulnar nerve lesions at the wrist are well described ( ▶ Fig. 64.1). The site of compression is commonly known as Guyon canal, the space of Guyon, the distal ulnar…

In 1932 Schmorl published a manuscript in which he described common pathological changes of the lumbar intervertebral disk as found at autopsy. He famously described that in ~ 38% of…

Successful en bloc resection of the sacrum and lumbopelvic reconstruction requires a thorough understanding of the anatomy of the region and the functional and biomechanical consequences of such an operation….

Anterior lumbar interbody fusion (ALIF) is a procedure that has become an important tool in the armamentarium of the modern spine surgeon. Over the last two decades, great advancements have…

Surgical repair of peripheral nerves is a well-researched technique to improve motor and sensory function after injury. Surgical intervention should not be attempted without complete understanding of the nerve anatomy…

Lumbar pedicle subtraction osteotomy (PSO) is an effective tool for correction of fixed sagittal deformity. As such, it is used primarily in the treatment of degenerative and iatrogenic kyphoscoliosis. This…

Anterior approaches to the cervical spine were first described contemporaneously in 1958 by Cloward 1 and Smith and Robinson 2. Since its introduction, anterior cervical diskectomy and fusion (ACDF) has…

Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy, affecting approximately 2% of men and 3% of women, most commonly between 40 and 60 years of age. 1 The…

Back pain is one of the most common complaints in the patient population as a whole. 1 Over a period of 7 years, from 2000 to 2007, the total number…

Surgical exposure of the median nerve in the arm and forearm is used for decompression of nerve entrapments, resection of nerve sheath tumors, as well as repair of injured nerves…