An inguinal hernia sac tumor of extrahepatic cholangiocarcinoma origin

World Journal of Surgical Oncology
Naoyuki YokoyamaKatsuyoshi Hatakeyama

Abstract

Metastatic hernia sac tumor from biliary malignancy is extremely rare with only one such case previously reported. We herein report an additional case of extrahepatic cholangiocarcinoma presenting as a hernia sac tumor. A 78-year-old man presented with an irreducible right inguinal hernia associated with a firm tumor, 2.0 cm in diameter. A computed tomography scan demonstrated a soft tissue density mass with heterogeneous enhancement within the right inguinal canal. The patient underwent a hernia repair and the hernia sac tumor was resected. Histological examination of the tumor revealed a metastatic adenocarcinoma suggesting the tumor was of pancreato-biliary origin. Further investigation using imaging studies disclosed a primary tumor in the upper bile duct. The patient died of the disease nine months after the resection. Hernia sac tumors should be considered when an irreducible, growing mass appears within an inguinal hernia. Computed tomography may be useful for the early detection of hernia sac tumors from undiagnosed intra-abdominal malignancies.

References

Jun 15, 1992·Cancer·C P NicholsonJ E Lewis
Mar 29, 1969·Lancet·A B LowenfelsM Lefkowitz
Jul 12, 2001·Journal of Gastroenterology and Hepatology·S ShimoyamaM Kaminishi

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Citations

May 29, 2008·Journal of Clinical Ultrasound : JCU·Adnan NarciOmer Doğru
Jun 2, 2012·The Indian Journal of Surgery·Gurjit SinghGoutham Reddy Kompally

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