High-Resolution Magnetic Resonance Neurography of the Lumbar Plexus
Magnetic resonance neurography (MRN) is a recent addition to the set of tools for the assessment of the lumbar plexus (LP) and peripheral nerves. The objective of this chapter is…
Dermatomes and the Lumbar Plexus
There are various proposed models that mark the distributions for these dermatomes. As such, significant variations exist in the literature. In this chapter, we will briefly describe the general map…
Nerve Root Anomalies with Application to the Lumbar Plexus
Anatomy Spinal nerves originate in the spinal column as a set of ventral and dorsal rootlets. Emerging from the spinal cord, these rootlets converge to form the ventral and dorsal…
Anesthetic Blockade of the Lateral Femoral Cutaneous Nerve
The lateral femoral cutaneous nerve (LFCN) of the thigh is normally a derivative of the posterior divisions of the L2 and L3 spinal nerves. The nerve emerges from the lateral…
History of the Dermatomes with Focus on the Contributions from the Lumbar Plexus
A dermatome is defined as an area of skin innervated by a single dorsal nerve root. 1 Knowledge of dermatomes is derived from the work of Sir Henry Head, Otfrid…
