图示足月妊娠分娩罕见的并发症。可见肺动脉分支内的羊水栓子，有数层胎儿鳞屑。羊水栓塞可产生类似于大鞍状血栓引起的肺动脉栓塞的后果。
This is a rare finding that may complicate a term pregnancy at delivery. Seen here in a pulmonary artery branch is an amniotic fluid embolus that has layers of fetal squames. Amniotic fluid embolization can have the same outcome as a large saddle pulmonary embolus.
