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Cite this article
Obturator mononeuropathy due to adenocarcinoma of unknown primary origin
1 Department of Neurology, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey
2 Department of Pathology, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey
3 Department of Radiology, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey
4 Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
Eur. J. Gynaecol. Oncol. 2016, 37(6), 882–883; https://doi.org/10.12892/ejgo3253.2016
Published: 10 December 2016
A 35-year-old woman presented with a three-month history of left groin and thigh pain. Neurological examination and electromyography showed pathological features consistent with obturator nerve involvement. Imaging studies revealed a left retroperitoneal mass, which by pathological examination was shown to be metastatic adenocarcinoma of possible Mullerian origin. Primary tumor could not be detected in a follow-up period of three years. Obturator mononeuropathy can be the first manifestation of cancer. Cancer of unknown primary origin may occasionally be local, well-restricted and carry a good prognosis.