Applied and Radiological Anatomy of the Epidural Space for Spinal Endoscopy Neupsy Key

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Basic anatomy of the epidural space The posterior longitudinal ligament (PLL) borders the epidural space anteriorly as it overlies the vertebral bodies and intervertebral discs. Laterally the medial aspect of the pedicles and the intervertebral foramina demarcate the space.

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The spinal epidural space is located in the spinal canal between the spinal dura mater and the vertebral column and extends from the foramen magnum to the sacral hiatus. It is typically 4-6 mm in depth 4 . Boundaries anterior: posterior longitudinal ligament, vertebral bodies and intervertebral discs 5

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The epidural space is important to the anaesthetist as the site for epidural block. It surrounds the spinal part of the dura and extends from the foramen magnum of the skull to the sacral hiatus. It contains the vertebral plexus of veins, small arteries, lymphatics and the epidural fat. This fat is loose and allows injected fluid to diffuse through it. The space projects through each.

Graphical representation of the epidural space and surrounding anatomy... Download Scientific

In this update we revise the anatomy of the epidural space and relevant adjacent anatomy, using bespoke anatomical dissections, to enable the reader to form a 3-dimensional picture to assist their clinical practice. Sonoanatomy, common techniques for locating the epidural space, subdural anatomy and subdural block are also discussed.

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In anatomy, the epidural space is the potential space between the dura mater and vertebrae ( spine ). [1] [2] The anatomy term "epidural space" has its origin in the Ancient Greek language; ἐπί, "on, upon" + dura mater also known as "epidural cavity", "extradural space" or "peridural space".

Applied and Radiological Anatomy of the Epidural Space for Spinal Endoscopy Neupsy Key

Anatomy of the epidural space Vertebral column There are 24 individual vertebrae: seven cervical, 12 thoracic and five lumbar. The five (fused) sacral vertebrae and the coccyx (made up of 3-5 rudimentary vertebrae) are not always classed as being a part of the vertebral column. Vertebral anatomy varies according to each level.

epidural space anatomy

epidural obstetrical A sound knowledge of applied anatomy is the cornerstone of safe and effective regional anaesthesia. In this update we revise the anatomy of the epidural space and relevant adjacent anatomy, using bespoke anatomical dissections, to enable the reader to form a 3-dimensional picture to assist their clinical practice.

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This article will discuss the anatomy and function of the cranial and spinal meninges. Contents Dura mater Arachnoid mater Arachnoid granulations Subarachnoid cisterns Pia mater Spinal meninges Spinal dura mater Spinal arachnoid mater Spinal pia mater Meningeal spaces Epidural space Subdural space Subarachnoid space Clinical relations

MRI of lumbar spine showing epidural space. (102) (a) Section through... Download Scientific

It is formed by the spines, pedicles and laminae (the neural arches) together with the posterior surfaces of vertebral bodies and discs, all these structures being linked together by various ligaments. The curves of the vertebral column are mirrored in the canal.

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The epidural space is one of the most explored spaces of the human body. This exploration demands a good knowledge of the relevant anatomy and contents of the space. First described in 1901 (Corning JL, 1901), the epidural space is an anatomic compartment between the dural sheath and the spinal canal.

Cross section of the spinal cord identifying the epidural spaces... Download Scientific Diagram

The epidural space is the area between the outermost layer of tissue and the inside surface of bone in which the spinal cord is contained, i.e., the inside surface of the spinal canal. The epidural space runs the length of the spine . The other two "spaces" are in the spinal cord itself.

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Introduction The performance of any invasive medical procedure is improved by a clear understanding of the relevant anatomy. However the anatomy of the epidural space is not well described in standard medical texts nor is it clearly understood by many anaesthetists.

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contents of the epidural space shape and distribution of the posterior epidural space This distorts the relative volumes of these components of the spinal canal. There may also be tissue autolysis depending on the time between death and the study.

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Anatomy of the Epidural Space RUNE G. BLOMBERG, M.D. RUNE G. BLOMBERG, M.D. Search for other works by this author on: This Site. PubMed. Google Scholar. Author and Article Information Department of Anesthesia Central Hospital, S-601 82 Norrköping, Sweden..

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It contains the roots of the spinal nerves, the vertebral plexus of veins, small arteries, lymphatics and the epidural fat. This fat is loose and allows injected fluid to diffuse through it. The space projects through each intervertebral canal to lie behind the parietal pleura, whose negative pressure is transmitted to it.