We select surgical treatment for cases for which severe dysmenorrhea persists following medical treatment. Many reports have described the use of neurectomies by cutting off pain conducting nerve pathways using laparoscopic surgery. Laparoscopic uterosacral nerve ablation (LUNA) has been associated with a high success rate for pain control, but there are few reports of anatomical studies in the uterosacral ligament. Using an immunohistochemical method, we examined the number and types of nerve fiber bundles in the uterosacral ligaments and its surrounding tissue in cadavers. The greatest number of nerve fiber bundles was found at a distance of 16.5–33 mm and at a depth of 3–15 mm distal to the site of attachment of the uterosacral ligament to the uterine cervix. Furthermore, there were many more sympathetic and parasympathetic nerve fiber bundles than sensory ones in the uterosacral ligament and its surrounding tissue. These results show the appropriate site of transection of uterosacral ligaments when performing LUNA.

Keywords:
Immunohistochemistry, Nerve staining, Laparoscopic uterosacral ligament nerve ablation, Dysmenorrhea
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© 2002 S. Karger AG, Basel
2002
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