Which condition involves rupture of the amnion causing fetal parts to entangle and leading to abnormalities and amputations?

Which condition involves rupture of the amnion causing fetal parts to entangle and leading to abnormalities and amputations?

• A. Amniotic band syndrome
• B. Meckel-Gruber syndrome
• C. Triploidy
• D. Pentalogy of Cantrell

Answer: (A)

Rupture of the amnion with formation of fibrous bands that can wrap around fetal parts is the hallmark of amniotic band syndrome. These bands constrict limbs or digits, disrupt blood flow, and can cause a range of outcomes from constriction rings to partial or complete amputation. On ultrasound you may see slender echogenic bands floating in the amniotic cavity, sometimes with signs of limb entanglement or distal limb defects. This description fits best because it centers on the mechanical disruption from amnion rupture leading to fetal part entanglement and potential amputations. Other conditions listed are chromosomal or structural birth defects not caused by amnion rupture and entanglement.

Rupture of the amnion with formation of fibrous bands that can wrap around fetal parts is the hallmark of amniotic band syndrome. These bands constrict limbs or digits, disrupt blood flow, and can cause a range of outcomes from constriction rings to partial or complete amputation. On ultrasound you may see slender echogenic bands floating in the amniotic cavity, sometimes with signs of limb entanglement or distal limb defects. This description fits best because it centers on the mechanical disruption from amnion rupture leading to fetal part entanglement and potential amputations. Other conditions listed are chromosomal or structural birth defects not caused by amnion rupture and entanglement.