摘要
目的探讨和总结原发性小肠淋巴瘤(PSIL)多层螺旋CT(MSCT)的表现特点,提高PSIL的CT诊断水平。方法回顾性分析18例经手术、病理确诊并符合Dawson标准的PSIL患者的临床及MSCT资料,总结PSIL的MSCT表现特点及诊断价值。结果 18例PSIL病例中,病变位于回肠12例,空肠5例,十二指肠l例。根据PSIL患者的CT表现,可分为4型:肠壁增厚型9例;动脉瘤样扩张型6例;息肉样肿块型2例;肠系膜浸润型1例,呈"夹心面包征"或"三明治征"。伴肠系膜或后腹膜淋巴结肿大7例。PSIL的MSCT主要表现为病变肠管肠壁环形不规则增厚,仍保持一定的扩张度和柔软度,较少发生肠梗阻,常伴肠系膜、后腹膜淋巴结肿大,增强扫描病灶轻-中度强化。结论 PSIL的MSCT表现具有一定特征性,在PSIL的诊断中MSCT较其它检查方法具有较明显的优越性,通过MPR、CPR、MIP等图像重建能更直观显示病灶特征,有助于外科医生术前治疗方案的制定。
Objective To summarize the multi-slice spiral CT（MSCT） Features of primary small intestinal lymphoma（PSIL）, and to improve the CT diagnostic level about PSIL. Methods The clinical and MSCT data of 18 patients of PSIL confirmed by pathology accord with Dawson criteria were retrospectively analyzed, snmmarize the MSCT manifestation, Results Of these 18 patients with PSIL, 12 lesions located in the ileum, 6 in the jejunum, and 1 in the duodenum. PSIL patients could be categorized into 4 types according to CT manifestation： thickened bowel wall type（n=9）;aneurisnlal dilatation type（n=6）;polypoid mass type（n=2）;mesentery infiltrated type（n=l）,present as a mass of ＂sandwich＂ . Associated retroperitoneal or mesenteric lymph node enlargement（n=7）. The MSCT manifestations of PSIL were irregular round thickening of intestinaal wall with infiltration with expansive and soft bowel; the incidence ofileus is rare, but associated retroperitoneal or mesenteric lymph node enlargement is frequent, the lesion showed mild to moderate intensification. Conclusion MSCT has more obvious advantages in the diagnosis of PSIL than other examinations methods, such as MPR, CPRand MIP. Images reconstruction can visualize better in lesions characteristics, helping surgeons developing preoperative treatment plan.
出处
《中国CT和MRI杂志》
2014年第1期65-67,93,共4页
Chinese Journal of CT and MRI
关键词
小肠肿瘤
淋巴瘤
X线计算机
诊断
Small intcstinal tumour
Lymphoma
X-ray computed
Diagnosis
