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Title: Abnormal extrapelvic course of the inferior gluteal artery
Authors: Gabrielli, C.
Olave, E.
Sarmento, A.
Mizusaki, C.
Prates, J. C.
Universidade Federal de São Paulo (UNIFESP)
Keywords: gluteal region
inferior gluteal artery
sciatic nerve
Issue Date: 1-Jun-1997
Publisher: Springer
Citation: Surgical and Radiologic Anatomy. New York: Springer Verlag, v. 19, n. 3, p. 139-142, 1997.
Abstract: At its extrapelvic course the inferior gluteal a. is found to be strictly related to the sciatic n. This relationship has been described in a general way, emphasizing its medial localization in respect to the nerve. Clinicosurgical reports describe cases of aneurysms of the inferior gluteal a. on its extrapelvic course and subsequent compression at the nerve. in order to get further details on the relationship between these two structures, 80 gluteal regions from 40 cadavers of adult Brazilian individuals, 29 males and 11 females, were dissected. the inferior gluteal a. was found medial to the sciatic n. in 62 cases (77.5%); in the 18 remaining (22.5%) the trunk of the artery or one of its branches perforated the nerve. of these, 14 (77.8%) were males and 4 (22.2%) females. This disposition was found 8 times (44.4%) on the right and 10 (55.6%) on the left side; was unilateral in 4 individuals (1 on the right and 3 on the left side) and bilateral in 7. the course of the inferior gluteal a. through the sciatic n. and/or the presence of aneurysms of this artery should be considered as a possible cause of nerve compression.
ISSN: 0930-1038
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