患者男,59岁。体检发现左侧肾上腺囊性肿块入院。体检:左上腹轻压痛,无反跳痛。实验室检查无特殊。CT平扫示左侧肾上腺区低密度肿块,大小约5.1 cm×9 cm,CT值约21 HU,边缘完整,胰腺尾部稍向前推移(图1),增 Male patient, 59 years old. Physical examination found adrenal cystic mass on admission. Physical examination: left upper quadrant mild tenderness, no rebound pain. No special laboratory test. CT scan shows the left adrenal area of ​​low-density mass, size of about 5.1 cm × 9 cm, CT value of about 21 HU, the edge of the integrity of the pancreas slightly forward (Figure 1), increased