The presenting case, an apparently healthy 1.5 month-old girl, had an enlarged liver with abnormal echo finding indicating presence of a multi-locular cystic lesion.

• 本病例为一健康，无病症的一月半大女孩，她因为肝脏肿大且超音波检查发现肝内有一低回音性的囊状肿瘤而到台大医院做主一步的检查。