WARNING: The video in this post is extremely graphic and anyone who has even a slightly weak stomach should consider whether to watch or not.
What is a cyst?
A cyst is a closed sac, having a distinct membrane and division compared with the nearby tissue. Hence, it is a cluster of cells that have grouped together to form a sac (not unlike the manner in which water molecules group together, forming a bubble); however, the distinguishing aspect of a cyst is that the cells forming the “shell” of such a sac are distinctly abnormal (in both appearance and behaviour) when compared with all surrounding cells for that given location.
It may contain air, fluids, or semi-solid material. A collection of pus is called an abscess, not a cyst. Once formed, a cyst…