A Case of Sciatic Hernia Coexisting with an Obturator Hernia

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  • 閉鎖孔ヘルニアに併存していた坐骨ヘルニアの1例
  • 症例 閉鎖孔ヘルニアに併存していた坐骨ヘルニアの1例
  • ショウレイ ヘイサコウ ヘルニア ニ ヘイソン シテ イタ ザコツ ヘルニア ノ 1レイ

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Abstract

A sciatic hernia prolapses from the sciatic foramen and is classified as a pelvic floor hernia, along with obturator hernias. We experienced a case of sciatic hernia coexisting with an obturator hernia in a 93-year-old female. She visited our hospital with the complaint of pain extending from the right buttock to the dorsal femoral side, abdominal distension, and vomiting. Abdominal computed tomography revealed an incarcerated right obturator hernia, an associated small intestinal ileus, and a right sciatic hernia. An operation was performed. Because the small intestine was incarcerated in the right obturator foramen and became necrotic, we resected it. At surgery, the incarceration of the small intestine in the right sciatic foramen was found to be naturally reduced. However, protrusion of a paroophoron cyst into the hernia sac was observed, and we performed cyst resection. Simple closure of the right obturator foramen and right sciatic foramen was performed. Obturator and sciatic hernias have a similar mechanism that they developed due to the weakened pelvic floor muscles. Although sciatic hernia is reportedly the rarest of all hernias, asymptomatic cases can occur. Therefore, we have to consider the provability of require diagnosis and treatment, coexistence of the both hernias when we diagnose and treat the obturator hernia.

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