74.十二指腸潰瘍在癒合過程中會造成十二指腸球部的變形，此變形符合下列何者？
(A)幸運草（三葉草）變形（cloverleaf deformity）
(B)雙壁徵象（double wall sign）
(C)足球徵象（football sign）
(D)倒 V 徵象（inverted V sign）

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統計： A(527), B(67), C(101), D(76), E(0) #2943001

詳解 (共 2 筆)

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(B)

The Rigler sign, also known as the double-wall sign, is a sign of pneumoperitoneum seen on an abdominal radiograph when gas is outlining both sides of the bowel wall, i.e. gas within the bowel's lumen and gas within the peritoneal cavity. It is seen with large amounts of pneumoperitoneum (>1000 mL)
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(C) massive intraperitoneal free air,常見於Necrotizingg enterocolitis
(D) inverted V sign: pneumoperitoneum
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