The first thing to address in this story is that most bone cysts are not typically cysts, by strict definition. The medical dictionary definition of a cyst is, a structure lined with epithelium (a special cell type) and”he first thing to address in this story is that most bone cysts are not typically cysts, by strict definition. The medical dictionary definition of a cyst is, a str”e first thing to address in this story is that most bone cysts are not typically cysts, by strict definition. The” first thing to address in this story is that most bone cysts “first thing