sequestration cyst

se·ques·tra·tion cyst

a cyst derived from cells that sequestered (separated) from a cellular mass during development of a tissue or organ.
References in periodicals archive ?
Epidermoid cysts are sequestration cysts that form by proliferation of epidermal cells that arise from the ectoderm within an unusual location within the thymus [2].
Epidermoid and dermoid sequestration cysts. AJR Am J Roentgenol 1970;110:148-54http://dx.doi.org/10.2214/ajr.110.1.148.
Epidermoid and dermoid sequestration cysts. Am J Roentgenol Radium Ther Nucl Med 1970;110:148-55http://dx.doi.org/10.2214/ajr.110.1.148.