Membrane cyst, video clip Philippe Jeanty, MD, PhD Chaitali Shah, MD Cerine Jeanty Article Published: Aug 16, 2004 Tennessee Women"s Care, Nashville TN This is a video clip demonstrating a membrane cyst. It is a simple fluid collection trapped between the membranes of 2 twins. Sorry, your browser doesn't support embedded videos. This is the ultrasound image also demonstrating the same. Â Discussion Board Start a discussion about this article Add to Favorites Favorite