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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

SALGADO A, Guillermo; INZUNZA A, Martin; CRUZAT C, Claudio  and  INZUNZA H, Oscar. Massive Communication Between the Superficial Branch of Radial Nerve and the Lateral Cutaneous Nerve of the Forearm, a Morphometric Study. 1+1 2. Int. J. Morphol. [online]. 2012, vol.30, n.3, pp.814-820. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022012000300007.

The distribution of sensory nerve branches in the lateral and the back of the hand have been described more accurately in recent decades due to advances in new diagnostic techniques, which have identified that about 40% of the population examined have some degree of anatomical variation in the distribution area of the sensitive nerves involved. The knowledge of the number of fibers forming a sensitive nerve of the hand has become more important with the development of microsurgical techniques and ultrasonography; procedures that have demonstrated the usefulness of this information in the diagnosis and treatment of nerve injuries. Thus, the fascicular architecture, adipose tissue area and the vascular area of a nerve branch, data that has been demonstrated that change with age, will determine the therapeutic and prognosis of nerve injuries. In this case we present an extremely rare and bilateral anatomical variation, involving the superficial branch of radial nerve and the lateral antebrachial cutaneous nerve, a situation that is described in the literature only once and which notably alter the sensory innervations of the radial edge of the hand.

Keywords : Radial nerve; Lateral cutaneous nerve of the forearm; Fascicle; Morphometry.

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