臨床婦人科産科64巻4号

2010年04月発行

今月の臨床 これを読めばすべてわかる―最新の産婦人科超音波診断 III　産科における超音波診断─妊娠初期

3次元超音波の応用

著者： 秦利之¹

所属機関： ¹香川大学医学部母子科学講座周産期学婦人科学

ページ範囲：P.554 - P.563

直行3断面表示（multiplanar view）

　直行3断面表示ではボリューム内の直行する3断面を同時に表示し，軸の回転・スライスにより任意断面の表示・計測が可能である．‘a’断面は通常のBモードと同じ断面を，‘b’断面はBモードと直行する断面を，‘c’断面はプローブ表面と平行の断面を表示する（図1）．妊娠初期ではCRLの正確な計測や（図1），異所性妊娠の診断（図2）などに有用である．

参考文献

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