2021-10-07|閱讀時間 ‧ 約 2 分鐘

[US] Case 184

    年輕男性,主訴慢性陰囊疼痛
    超音波:
    extratesticular hypoechoic tumor in the epididymis showing well-defined contour.
    extratesticular hypoechoic tumor in the epididymis showing well-defined contour.
    Extratesticular lesion,想的鑑別診斷有epididymal cyst or spermatocele, adenomatoid tumor, leiolyoma, papillary cystadenoma
    • epididymal cyst / spermatocele: anechoic + no vascular flow,最常見於epididymal head。常以摸得到的陰囊腫來作表現
    • adenomatoid tumor,最常見睪丸外良性腫瘤,US影像有各種表現,多echogenic; 常見於epididymal tail, 但也可以出現在tunica albuginea, 或是沿著spermatic cord長。
    • leiomyoma: 第二常見,US多以solid component, hypoechoic tumor 為主,可能出現cystic change or calcification.
    • Papillary cystadenoma。直接聯想von Hippel-Lindau disease。cystic lesion with fine septation, 雙側
    最後診斷:adenomatoid tumor
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