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原发于大肠的恶性淋巴瘤较少见,约占大肠恶性肿瘤的0.1%～2%.特别是一些结外型淋巴瘤几乎可以侵犯人体的各种器官和组织(消化道、呼吸道、腮腺、甲状腺、口咽环、鼻腔、眼眶、脑、骨、生殖腺、软组织及皮肤),因此,在临床上极易误诊为其他类型的恶性肿瘤.自1965年～1997年经我院收治有完整资料者5例.现报告如下:1 临床资料1.1 性别与年龄 男性4例,女性1例,年龄3.5岁～73岁,平均年龄41.1岁.1.2 临床表现 病程1月～21年,主诉右下腹痛者3例,腹部肿块2例,各例均有不同程度的低热,3例伴有腹泻及肠梗阻症状.查体时均能扪及包块,术前4例误诊为大肠癌(2例伴有阑尾周围脓肿),1例误诊为肠套叠.
Malignant lymphomas originating in the large intestine are rare and account for approximately 0.1% to 2% of colorectal malignancies. In particular, some extranodal lymphomas can invade various organs and tissues of the human body (digestive tract, respiratory tract, parotid gland, etc.). Thyroid, oropharyngeal ring, nasal cavity, eyelid, brain, bone, gonads, soft tissue and skin), therefore, it is clinically misdiagnosed as other types of malignant tumors. From 1965 to 1997, there were complete information in our hospital. 5 cases. The current report is as follows: 1 Clinical data 1.1 Sex and age 4 males and 1 female, aged 3.5 to 73 years, mean age 41.1 years. 1.2 Clinical course of illness from January to 21 years, complaining of right lower abdominal pain 3 Cases, 2 cases of abdominal mass, each case have different degrees of fever, 3 cases accompanied by diarrhea and intestinal obstruction symptoms. When the examination can be palpable and mass, 4 cases were misdiagnosed as colorectal cancer before surgery (2 cases with appendix Peripheral abscess), 1 case was misdiagnosed as intussusception.