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The dura mater is important to the clinician as a barrier to the internal environment of the brain, and surgically, its anatomy should be well known to the neurosurgeon and clinician who interpret imaging. The medical literature was reviewed in regard to the morphology and embryology of specifically, the intracranial dura mater. A historic review of this(More)
Masses of the lateral skull are not uncommon and include lipomas and epidermoids. However, meningoceles of the lateral skull are very rare and are often misdiagnosed. Even rarer are atretic encephaloceles of this region. We report a newborn with a right atretic encephalocele of the asterion. Lesions of the anterolateral and posterolateral fontanelles should(More)
OBJECT Knowledge of the detailed anatomy of the craniocervical junction is important to neurosurgeons. To the authors' knowledge, no study has addressed the detailed anatomy of the intracranial (first) denticulate ligament and its intracranial course and relationships. METHODS In 10 embalmed and 5 unembalmed adult cadavers, the authors performed posterior(More)
BACKGROUND The resection of planum sphenoidale and tuberculum sellae meningiomas is challenging. A universally accepted classification system predicting surgical risk and outcome is still lacking. OBJECTIVES We report a modern surgical technique specific for planum sphenoidale and tuberculum sellae meningiomas with associated outcome. A new classification(More)
Alfred W. Adson was a pioneer in the field of neurosurgery. He described operations for a variety of neurosurgical diseases and developed surgical instruments. Under his leadership the Section of Neurological Surgery at the Mayo Clinic was established and he functioned as its first chair. Adson's contributions to the understanding of spinal and spinal cord(More)
The intracranial bridging veins are pathways crucial for venous drainage of the brain. They are not only involved in pathological conditions but also serve as important landmarks within neurological surgery. The medical literature on bridging veins was reviewed in regard to their historical aspects, embryology, histology, anatomy, and surgery. Knowledge on(More)
Liliequist’s membrane is an arachnoid membrane that forms a barrier within the basilar cisternal complex. This structure is an important landmark in approaches to the sellar and parasellar regions. The importance of this membrane was largely recognized after the advance of neuroendoscopic techniques. Many studies were, thereafter, published reporting(More)
Spinal cord injury is a highly prevalent condition associated with significant morbidity and mortality. The pathophysiology underlying it is extraordinarily complex and still not completely understood. We performed a comprehensive literature review of the pathophysiologic processes underlying spinal cord injury. The mechanisms underlying primary and(More)
Techniques and materials for repair of dural defects following neurosurgical procedures vary. Given higher complication rates with nonautologous duraplasty materials, most authors strongly recommend autologous grafts. To expand the arsenal of possible materials available to the neurosurgeon, we propose the use of autologous clavipectoral fascia as an(More)
OBJECT There is conflicting and often anecdotal evidence regarding the potential motor innervation of the trapezius muscle by cervical nerves, with most authors attributing such fibers to proprioception. As knowledge of such potential motor innervations may prove useful to the neurosurgeon, the present study aimed to elucidate this anatomy further. (More)