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颗粒细胞肿瘤是一种罕见的非转移性疾病,通常发生在皮肤、口腔或皮下组织,如发生在胆管,其明显特征是好发于年轻人,特别是黑人妇女,因为此肿瘤的分布靠近胆管、肝管和胆总管的汇合区,其症状可能与胆囊结石、胆总管结石或其它型的胆管梗阻相混淆.胆管造影一般显示同心轴狭窄,类似胆管癌或节段性硬化性胆管炎,误诊常使治疗不当,以致未能切除这一原可治愈的肿瘤.本文报道两例,并复习世界有关文献.病例一黑人妇女,37岁,因餐后右上腹锐痛间断发作和黄疸而入院.无发热、无慢性肝病的特征,
Granular cell tumor is a rare non-metastatic disease that usually occurs in the skin, oral cavity or subcutaneous tissue. If it occurs in the bile duct, it is clearly characterized by predilection in young people, especially black women, because the distribution of this tumor is close to the bile duct. Symptoms may be confused with cholecystolithiasis, common bile duct stones, or other types of biliary obstruction in the confluent area of the hepatic duct and common bile duct. Cholangiography generally shows concentric axis stenosis, resembling cholangiocarcinoma or segmental sclerosing cholangitis, and misdiagnosis. Often improper treatment, which failed to remove the original curable tumor. This article reported two cases, and review the world’s relevant literature. Case of a black woman, 37 years old, due to intermittent episodes of sharp pain in the right upper quadrant after meals and jaundice admitted to hospital. No fever, no features of chronic liver disease,