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首页> 中文期刊> 《浙江临床医学》 >阑尾黏液性肿瘤的CT表现及其病理基础

阑尾黏液性肿瘤的CT表现及其病理基础

         
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Objective To?investigate?CT?performance?of?appendiceal?mucinous?neoplasm?and?improve?the?diagnosis?of?this?disease.?Methods? The?CT?performance?of?24?patients?with?pathology?proved?appendiceal?mucinous?neoplasm?were?analyzed?retrospectively,and?were?correlated?with?the?result?of?pathology?to?analyze?the?pathological?basis.?Results? 11?cases?of?mucinous?cystadenoma?presented?as?tubular?or?round-like?cystic?mass.?The?cyst?wall?might?contain?arc?calcification,smooth?and?homogeneously?enhance?after?administration?of?contrast?medium.?Most?cases?were?accompanied?by?appendicitis?while?a?few?cases?occurred?with?intussusception?of?appendix?into?the?cecum.?12?cases?of?low-grade?appendiceal?mucinous?neoplasms?mostly?presented?as?long-tubular?or?round-like?cystic?mass,and?part?of?them?extended?into?the?pelvic?cavity?or?herniated?into?the?right?inguinal?region.?The?cyst?had?thin?septum?and?uniform-thickness?wall,the?latter?had?mural?nodules?or?egg-shell?calcification.?Homogeneously?enhancement?was?found?in?the?cyst?wall?or?mural?nodules?after?administration?of?contrast?medium.?A?few?cases?were?accompanied?by?appendicitis?or?low-grade?peritoneal?pseudo?mucinous?tumor.?One?case?was?mucinous?adenocarcinoma,and?it?was?hard?to?distinguish?it?from?low-grade?appendiceal?mucinous?neoplasm?on?CT?performance.?Conclusion? The?CT?performance?of?appendiceal?mucinous?neoplasm?has?certain?characteristics,and?the?diagnosis?relies?on?pathology.?Pre-operation?CT?exam?is?of?important?significance?for?diagnosis?and?operation?methods.%目的 探讨阑尾黏液性肿瘤的CT表现,以提高对该病的诊断认识.方法 回顾性分析经病理检查证实的24例阑尾黏液性肿瘤的CT表现,并对其病理基础进行分析.结果 11例黏液性囊腺瘤表现为管状或类圆形囊性肿块,囊壁可有弧形钙化,囊壁光滑且强化均匀,多伴阑尾炎,少数可合并阑尾套叠入盲肠.12例低级别黏液性肿瘤多表现为长管状或类圆形囊性肿块,瘤灶可部分延伸入盆腔,部分可疝入右侧腹股沟区,囊内可有菲薄分隔,囊壁厚薄不均,可有壁结节、蛋壳样钙化,囊壁、壁结节强化均匀;少数伴阑尾炎或低级别腹膜假性黏液瘤.1例黏液腺癌,CT表现与低级别黏液性肿瘤难以鉴别.结论 阑尾黏液性肿瘤CT表现有一定特征性,确诊需依靠病理检查,术前CT检查对其诊断及手术方式有重要意义.

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