Musculocutaneous Nerve Transformation of the medial and lateral cords of the brachial plexus into their terminal branches is M-shaped. The lateral leg of the letter M is the musculocutaneous nerve…
Clinical Presentation Carpal tunnel syndrome (CTS) is caused by chronic compression of the median nerve within the carpal tunnel. 1 Carpal tunnel is built by carpal bones (scaphoid, trapezium, hamate)…
Surgical Anatomy and Approaches to the Nerves of the Lower Limb Keywords: lumbar plexus, sacral plexus, lateral femoral cutaneous nerve, femoral nerve, sciatic nerve Fernando Martínez and Federico Salle Abstract…
A peripheral facial nerve palsy may be the consequence of different clinical problems. This chapter will purposely exclude the congenital cases. They are a very particular subset of these palsies…
Types and Nomenclature Different types of PNT can present different characteristics. BPNST are more commonly reported than nonneurogenic masses. 9, 10, 11 In this chapter, we will discuss the subtypes…
Anatomical Characteristics Axons are extensions of neuronal cell bodies. They transmit nerve impulses and are enveloped by myelin. Myelin is produced by Schwann’s cells (SCs) in the peripheral nervous system…
Types and Mechanisms of Injury The typical patient with a brachial plexus injury is a young man involved in a motorcycle accident. Although his helmet in many cases saves his…
Sciatic Nerve General Considerations Being the largest nerve in the body, the sciatic nerve usually consists of L4–S3 contributions. After its intrapelvic course in the vicinity of the sacrum, the…
Fig. 7.1 Normal median nerve within the carpal tunnel. On axial T1w (a), it is isointense to muscle (flexor carpi ulnaris, asterisk) and exhibits a fascicular appearance; on STIR (b), it…
