66.腹部超音波掃描,附圖中箭號所示最可能為何?

【清者自清】評論
A. hypertrophic colu☆☆ ☆☆ ...
【Klose Liu】評論
A. hypertrophic colu☆☆ ☆☆ ...
【(๑´ㅂ`๑)】評論
Schematic illustration of persistent fetal lobulations (A) dromedary hump " kidney (B) hypertrophied column of Bertin (C).hamartoma