Abstract
Neuroendocrine tumors (NET) of the major duodenal papilla are rare and the natural history of this disease is not clear. We experienced a case in a 31-year-old male. Duodenoscopy revealed an enlarged major duodenal papilla with central umbilication and nodularity. Endoscopic ultrasonography (EUS) demonstrated a 3-cm hypoechoic mass that was confined to the submucosa. A biopsy led to the diagnosis of a grade 1 NET. The patient refused surgery, so we performed an endoscopic papillectomy. The tumor was removed completely. The resected specimen confirmed the diagnosis of a well-differentiated NET and all resection margins were negative. Surgical resection is currently considered to be the gold standard for the treatment of a large NET of the major duodenal papilla; however, endoscopic resection is a possible treatment modality for patients at high surgical risk or who are reluctant to undergo surgery.
십이지장 주유두의 신경내분비종양은 드문 종양이지만 크기에 관계없이 세포 분화도가 나쁜 경우 다른 장기에 전이를 일으킬 수 있어 치료 방법으로 췌-십이지장 절제술이 권유되고 있다. 이번 증례는 십이지장 주유두에 발생한 3 cm 크기의 신경내분비종양을 수술 대신 덜 침습적인 내시경 유두절제술을 시행하여 종양을 완전히 절제할 수 있었다. 주유두 신경내분비종양에 있어서 수술에 대한 위험도가 높거나 환자가 수술을 원치 않는 경우에 내시경 유두절제술이 대안이 될 수 있겠다.