Anatomical Variations in Formation of Sural Nerve in Adult Indian CadaversCorrespondence Address :
Dr. Kavyashree A.N.,
Assistant Professor, Department of Microbiology, Sri Siddhartha Medical College, Tumkur. Karnataka–572107, India.
Phone: 9916286847, E-mail: email@example.com
Background: Sural nerve is formed by communication of medial sural cutaneous nerve, that arise from tibial nerve in popliteal fossa and peroneal communicating nerve, a branch directly from common peroneal nerve or from lateral sural cutaneous nerve. The sural nerve is universally recognized by surgeons as a site for harvesting an autologous nerve graft and for nerve biopsies in case of neuropathies.
Setting and Design: Anatomy department and an observational study. Statistical Analysis: The Mean, Standard Deviation, relevant percentages and p value was calculated by Chi–square test.
Material and Methods: The study consists of 50 lower limb specimens in 25 cadavers. All the male and female complete cadavers were included in the study. The data was collected by dissection method by using dissection instruments and parameters (measurements) were obtained by using measuring tape.
Results: The sural nerve complex was dissected and observed in 50 formalin fixed lower limb specimens. Study was done in 16 male and 9 female cadavers. Three types of formation of sural nerve were observed were - Type A was seen in 36 specimens (72%) of cases. Type B was seen in 14 specimens (28%) of cases. Type C sural nerve was not found in present study. Site of union of components of SN was seen in the upper 3rd of leg in 5.6%, in middle 3rd it was in 33.3% and in lower 3rd it was in 58.3% of cases. The length of the sural nerve shows a wide range from 2 cm to 32 cm. The symmetrical distribution was seen in 62.5% in males and 55.6% in female.
Conclusion: The normal anatomy and variations may help to guide during surgeries in the region.
Sural nerve complex, Lateral sural cutaneous nerve, Medial sural cutaneous nerve, Peroneal communicating nerve
Kavyashree A.N., Lakshmi Prabha Subhash, Asha K.R., Bindu Rani M.K.. ANATOMICAL VARIATIONS IN FORMATION OF
SURAL NERVE IN ADULT INDIAN CADAVERS. Journal of Clinical and Diagnostic Research [serial online] 2013 September [cited: 2018 Feb 24 ]; 7:1838-1841. Available from
Financial OR OTHER COMPETING INTERESTS: None.
Date of Submission: Jun 05, 2013
Date of Peer Review: Jul 16, 2013
Date of Acceptance: Aug 11, 2013
Date of Publishing: Sept 10, 2013
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