Kinoo Suman Mewa, Ramkelawon Vikesh V, Maharajh Jaynund, Singh Bugwan
Department of Surgery, University of KwaZulu-Natal, King Edward VIII Hospital, Durban, South Africa.
Ethekwini Hospital and Heart Centre, Durban, South Africa.
SA J Radiol. 2018 Aug 15;22(1):1354. doi: 10.4102/sajr.v22i1.1354. eCollection 2018.
Amoebic colitis, caused by ingestion of water or food contaminated with the protozoan Entamoeba histolytica, can progress to a fulminant colitis. Computed tomography (CT) findings reported in the literature on this type of colitis are sparse. We present a 59-year-old male patient with a one-week history of progressive abdominal pain, abdominal distension and associated watery and bloody diarrhoea. A CT scan revealed deep ulcerations with submucosal and intramural tracking of contrast. Colonoscopy and biopsy confirmed a diagnosis of Amoebic colitis. The patient required a laparotomy and demised. Deep ulcerations with submucosal and intramural tracking of contrast on CT are diagnostic of fulminant amoebic colitis. Although not demonstrated at CT in this case, discontinuous bowel necrosis, omental wrapping (seen at laparotomy in our case) and neovascularisation of the bowel wall may be other features to look out for.
阿米巴结肠炎由摄入被原生动物溶组织内阿米巴污染的水或食物引起,可进展为暴发性结肠炎。文献中报道的关于此类结肠炎的计算机断层扫描(CT)结果稀少。我们报告一名59岁男性患者,有一周进行性腹痛、腹胀及相关水样和血性腹泻病史。CT扫描显示有深部溃疡,对比剂在黏膜下层和壁内蔓延。结肠镜检查及活检确诊为阿米巴结肠炎。该患者需要剖腹手术,最终死亡。CT上显示对比剂在黏膜下层和壁内蔓延的深部溃疡是暴发性阿米巴结肠炎的诊断依据。尽管本例CT未显示,但肠管节段性坏死、网膜包裹(本例剖腹手术时可见)及肠壁新生血管形成可能是其他需要留意的特征。