Ultrasound Journal 2: ?? ? ?? ??

Special thanks to: Ru Yanhui, Sheng Xuan, Yin Hong, Department of Ultrasound of Shandong Maternal and Child Health Hospital, Medical Imaging Center of Shandong Maternal and Child Health Hospital.

????(Levator Ani) ???? ?????(Pelvic Floor)? ???? ??? ???? ? ??? ??? ???. ?? ??? ??? ??? ?? ??(Levator Trauma)? ???? ? 15~35%???? ????, ?? ?? ???? MRI ? ??? ???? ?????. ?? ??? ?? ?? ????? transvaginal palpation, Magnetic Resonance Imaging(MRI), ????? ???? ? ? ????. MRI? ???? ????? ?? ?? ???? ???? ??? ?? ???? ????? ???? ????? ????? ???? ?? ??? ??, ?? ???? ?? ?????, ??? ?? ?????? ?? ???? ??? ????? ??? ?? ?? ?? ?? ?? ? ?? ??? ??? ?? ?????.

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?? ?? ????? parasagittal view??? ???/?? 2D ???, 3D/4D ?? ??, Ipage+?? ?? ?? ?? ???? ?????.

Case Introduction:

?? 39??? 30???(G1P1)?? ??? Negative-pressure vacuum extraction? left perineotomy? ?????, ???? ???? 3.387kg?????. Pelvic floor ???? ?? 42? ? ???????.

Discussion:

?? ??:

1. Probe sleeve ??, ?? ??? ?? ?? ??:

2.?????? ??? ???:?

????? ??? ??? ?? ????? ??? ?? ?????? ???. ?? ???? ????? ??.

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3.?????? ??? ????? ?? ??? ?.

?? ?? ??? ??? ?? ??:

1. 2D ?? : ???? ??? ?? ?? ???? interruption? ?? ???? ??? ?? ??? ??.
   
2. Levator hiatus? ?????? ?? ????? ?? ??.
   
3. Ipage+ : ? ? ??? slice?? ?? ?? ?? levator avulsion? ?? ??, levator trauma ??? ??? ? ? ??.
   

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??? ?? ??:

• ??? ????? ???? ??? ?? ??? ?? ???? ??? ??? ???? ??? ?? ???.
  
• ??? ???? ?? ?? frequancy? ?? intravitary probe? superficial probe? ?????.
• ???? ??? ???? ??? ?? 1~2?? ? pelvic floor ??? ??? ??? ?? ???.

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??:

??? ??? ??? ??? ?? 3??? ??? ????? ???? ?? ?????. ?? ?? ?? ??? ??? ????:

1. ????? ?? ??, vagina dumbbell ??? ?? ?? ??? ??? ?? ??? ? ??.
2. ?? ?? ?? ?? ??? ???? ??? ?? ???? ??? ??? ??.
   

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[1] DeLancey J, Kearney R, Chou Q, Speights S, Binno S. The appearance of levator ani muscle abnormalities in magnetic resonance images after vaginal delivery. Obstet Gynecol 2003;101(1):46¨C53.
[2]?Dietz HP, Lanzarone V. Levator trauma after vaginal delivery. Obstet Gynecol 2005;106(4):707¨C12.
[3]?Hans Peter Dietz, Pelvic floor ultrasound: a review. American Journal of Obstetrics & Gynecology 2010(4); 321-334.