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患者女,15岁。主因间断腹胀、腹痛半月余就诊。患者无明确既往病史,无工业毒物、粉尘、放射性物质接触史。腹部彩超示:右上腹腔可见多个大小不等的低回声团,边界尚清,内回声欠均,最大者大小约66 mm×58 mm×42 mm,彩色多普勒及能量图:内可见丰富的枝状血流信号(图1~2)。手术及病理示:大网膜组织一块,内见结节型肿物数枚,直径1.5~6cm,最大者切面实性灰白色、质中。免疫组化:HMB45(-),MelanA(-),PLAP(-),
Female patient, 15 years old. Mainly due to intermittent bloating, abdominal pain more than half treatment. Patients without a clear history, no industrial poison, dust, radioactive exposure history. Abdomen color Doppler ultrasound: the right upper abdominal cavity can be seen a number of different sizes of hypoechoic group, the boundary is clear, less echo within the average, the largest size of about 66 mm × 58 mm × 42 mm, color Doppler and energy map: Dendritic blood flow signal (Figure 1 ~ 2). Surgery and pathology showed: omentum tissue piece, see the nodular mass within a few pieces, diameter 1.5 ~ 6cm, the largest section of real gray, quality. Immunohistochemistry: HMB45 (-), MelanA (-), PLAP (-),