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患者男,30岁,因“反复上腹疼痛不适3年”入院。体检:腹平,触诊软,肝脾肋下未及,全腹无压痛、反跳痛、肌紧张,未及明显包块,肝肾区无叩痛,叩诊鼓音,无移动性浊音,肠鸣音正常。CT检查:平扫胃底见一类圆形软组织肿块,大小约4.6 cm×3.2 cm,密度不均匀,其中心见较低密度区,CT值8～35 HU,肿块边缘不规则,可见分叶,边界欠清晰(图1)。增强后病灶中度强化,动脉期CT均值67 HU,静脉期CT均值85 HU,其内低密度区未见明显强化,病灶与胰尾粘连、分
Male patient, 30 years old, "admitted to hospital because of repeated abdominal pain and discomfort for 3 years. Physical examination: abdomen flat, palpation soft, liver and spleen not under the ribs, the whole abdomen without tenderness, rebound tenderness, muscle tension, not obvious mass, liver and kidney area without percussion pain, percussion drum sounds, Bowel sounds normal. Computed tomography (CT) examination revealed a group of round soft tissue mass with a size of about 4.6 cm × 3.2 cm and uneven density. The center of the tumor was found to have a lower density. The CT value was 8 to 35 HU. The margin of the mass was irregular. , The border is not clear (Figure 1). After the enhancement of lesion moderate enhancement, the average arterial phase CT 67 HU, venous phase mean of 85 HU, no obvious enhancement of the low-density area, the lesion and pancreatic tail adhesion, points