右半结肠腺鳞癌：一例病例报告及文献复习
Adenosquamous carcinoma of the right colon: A case report and review of the literature.
作者信息
Toumi Omar, Hamida Badii, Njima Manel, Bouchrika Amal, Ammar Houssem, Daldoul Amira, Zaied Sonia, Ben Jabra Sadok, Gupta Rahul, Noomen Faouzi, Zouari Khadija
机构信息
Department of General and Digestive Surgery, Hopital Fattouma Bourguiba, Monastir, Tunisia.
Department of Radiology, Hopital Fattouma Bourguiba, Monastir, Tunisia.
出版信息
Int J Surg Case Rep. 2018;50:119-121. doi: 10.1016/j.ijscr.2018.07.001. Epub 2018 Jul 11.
INTRODUCTION
Adenosquamous carcinoma is a rare colorectal tumor with both an adenocarcinoma and a squamous cell carcinoma component. To the best of our knowledge, only few cases have been reported in the literature.
CASE PRESENTATION
We report a case of a 46-year-old woman, hospitalized for large bowel obstruction syndrome. Computed tomography scan showed an irregular mass of the right colic angle, responsible for an occlusive syndrome with distension of the right colon, the appendix and the terminal ileum. The patient underwent right hemicolectomy with D2 lymphadenectomy. Histopathological examination revealed mixed adenocarcinoma and squamous carcinoma. Adjuvant chemotherapy was prescribed for the patient.
DISCUSSION
Adenosquamous carcinoma is a rare colorectal neoplasm revealed by non-specific complaints. Its clinicopathology is not yet understood. Preoperative diagnosis is often difficult. Surgical resection remains the mainstay of treatment.
CONCLUSION
Adenosquamous carcinoma is a malignant tumor with poorer prognosis than adenocacinomas.
引言
腺鳞癌是一种罕见的结直肠肿瘤，同时具有腺癌和鳞状细胞癌成分。据我们所知，文献中仅报道了少数病例。
病例介绍
我们报告一例46岁女性，因大肠梗阻综合征住院。计算机断层扫描显示右结肠角有一不规则肿块，导致右结肠、阑尾和回肠末端扩张的梗阻综合征。患者接受了右半结肠切除术及D2淋巴结清扫术。组织病理学检查显示为混合性腺癌和鳞状细胞癌。为患者开了辅助化疗。
讨论
腺鳞癌是一种由非特异性症状发现的罕见结直肠肿瘤。其临床病理学尚未明确。术前诊断通常很困难。手术切除仍然是主要的治疗方法。
结论
腺鳞癌是一种预后比腺癌更差的恶性肿瘤。
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