A 22-year-old woman was referred with a 4-week history of bloody diarrhoea, tenesmus, abdominal and rectal pain. Prior to presentation, a prednisone taper had been initiated given suspicion for Crohn’s disease. Her medical history was otherwise unremarkable. Physical exam showed normal vital signs and mild left lower abdominal tenderness without peritoneal signs. Laboratory evaluation was significant for mild leucocytosis (white blood cell count 14.3×109/L (normal range 3.5–10.5×109/L)). CT scan of the abdomen/pelvis showed hazy mesenteric fat stranding, mural thickening, oedema and hyperenhancement involving the rectosigmoid colon with widely …

中文翻译：

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患有节段性结肠炎的年轻女性

一名 22 岁女性因血性腹泻、里急后重、腹部和直肠疼痛 4 周被转诊。在就诊之前，由于怀疑克罗恩病，已开始减量泼尼松。她的病史在其他方面并不显着。体格检查显示生命体征正常，左下腹轻度压痛，无腹膜体征。实验室评估对轻度白细胞增多（白细胞计数 14.3×109/L（正常范围 3.5-10.5×109/L））具有显着意义。腹部/骨盆 CT 扫描显示模糊的肠系膜脂肪滞留、壁增厚、水肿和高强化，涉及直肠乙状结肠，广泛……