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女性,5岁。发现腹部包块2个月,增长较快,伴有腹痛,腹胀。体检:腹部高度膨隆,伴移动性浊音。左下腹可触及直径约13cm肿物,质硬不光滑,尚活动,轻压痛。术中见:肿物位于大网膜,与肠管粘连,圆形,直径15cm,呈菜花状。血性腹水约500ml。双侧卵巢正常。临床诊断:大网膜恶性畸胎瘤。病理检查肿物15×15×14.5cm,重1210g,灰白及红褐色,多结节状,包膜不完整。切面实性,灰白色,质脆,细腻,鱼肉样,见少数微囊,内含淡黄色浆液。镜下,见3个胚层的组织成份。即分化成熟的鳞状
Female, 5 years old. Found abdominal mass 2 months, rapid growth, accompanied by abdominal pain, abdominal distension. Physical examination: Abdominal bulge, with shifting dullness. Left lower quadrant can reach the diameter of about 13cm mass, hard and not smooth, activity, light tenderness. See intraoperative: mass located in the omentum, and intestinal adhesions, round, diameter 15cm, was cauliflower-like. Bloody ascites about 500ml. Both ovaries normal. Clinical diagnosis: Omental malignant teratoma. Pathological examination of the tumor 15 × 15 × 14.5cm, weight 1210g, gray and reddish brown, nodular, incomplete capsule. Section solid, gray, crisp, delicate, fish-like, see a few microcapsules, containing a light yellow slurry. Microscopically, see the tissue components of the three germ layers. Differentiation of mature squamous