十二指肠肿瘤罕见,发病率仅0.03%。鉴别良性和恶性十二指肠肿瘤对手术治疗意义重大,前者局部切除即可,后者大多须采取大范围的Whipple术式。影像学方法,如十二指肠低张造影术、内窥镜逆行胰胆管造影术(EPCP)和CT,与内窥镜检查一样,在十二指肠肿瘤的诊断和鉴别诊断中起重要作用。本文报告1例十二指肠乳头周围腺肌瘤合并十二指肠炎的影像学表现。本病文献至今仅报道2例。病例报告患者男,56岁,反复发作上腹部隐痛,轻度黄疸。十二指肠镜检发现乳头周围有一2cm大息肉样肿物,虽经再次镜检及取材活检,肿物性质仍未明确。胆总管和胰管开口的 Duodenal tumors are rare and the incidence rate is only 0.03%. Differentiating between benign and malignant duodenal tumors is of great significance for surgical treatment. The former can be locally excised, and most of the latter are required to adopt a wide range of Whipple procedures. Imaging methods, such as duodenal angiography, endoscopic retrograde cholangiopancreatography (EPCP), and CT, as well as endoscopy, play an important role in the diagnosis and differential diagnosis of duodenal tumors. . This article reports the imaging findings of a duodenal papillary leiomyoma combined with duodenitis. Only 2 cases of this disease literature have been reported. Case report The patient was a 56-year-old man with recurrent upper abdominal pain and mild jaundice. Duodenal microscopic examination revealed a 2cm large polypoid mass around the nipple. Although the microscopic examination and biopsy were performed again, the nature of the mass was still unclear. Common bile duct and pancreatic duct opening