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例１男性，６０岁。３天前无明显诱因脐周疼痛，呈阵发性，并渐感腹胀，伴有恶心、呕吐数次。体检：全腹压痛，以脐部为重，未及包块，肠鸣音亢进，无气过水声。肛诊：于直场上方触及一 １０ｃｍ × １０ｃｍ包块，表面光滑，固定，质韧，有触痛。实验室检查：Ｈｂ１４９ｇ／Ｌ
Example 1 male, 60 years old. No obvious incentive 3 days ago Cullen pain, paroxysmal, and gradually feel bloating, accompanied by nausea, vomiting several times. Physical examination: full abdominal tenderness, umbilicus as the most important, not mass, bowel sounds hyperthyroidism, no gas over water. Rectal examination: at the top of the direct touch of a 10cm × 10cm mass, the surface is smooth, fixed, tough quality, tenderness. Laboratory examination: Hb149g / L