题目内容

胆囊腺肌瘤样增生局限型

A. 胆囊底部壁增厚，壁内可见小囊结构
B. 胆囊底部向腔内隆起的球状低回声结节，大小为15MM
C. 胆囊肿大，颈部见强回声伴后方声影
D. 胆囊底部囊腔萎缩，内充满砂粒状强回声，胆囊颈管增大
E. 胆囊壁可见单发或多发的强回声，呈“彗星尾征”

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