胃肠道的髓外浆细胞瘤（EMP）极为罕见。EMPs的临床表现多种多样，取决于肿瘤的位置和进展。在这里，我们报告了一个80岁的EMP累及直肠的病例，排便习惯改变的男性患者.计算机断层扫描证实了一个界限，等衰减质量具有明显的异质增强。患者接受腹腔镜手术切除，浆细胞瘤最终经病理证实。此外，我们对胃肠道EMP进行了文献综述，以获得进一步的研究。最后,我们发现影像学检查没有特异性。EMP的诊断仍取决于组织病理学。
Extramedullary plasmacytoma (EMP) of the gastrointestinal tract is an extreme rarity. Clinical manifestations of EMPs are varied, depending on the position and progress of tumor. Here we report a
case of an EMP involving rectum in an 80-year-old, male patient with a change of bowel habit. Computed tomography scanning confirmed a circumscribed, iso-attenuating mass with the obvious heterogeneous enhancement. Patient received the surgical resection by laparoscope and the plasmacytoma was finally confirmed by the pathology. Furthermore, we made a literature review about the EMP of gastrointestinal tract to get the further study. Finally, we found out there is no specificity in imaging examination. Diagnosis of EMP still depends on the histopathology.
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