necrotic cyst

ne·crot·ic cyst

a cyst due to a circumscribed encapsulated area of necrosis with subsequent liquefaction of the dead tissue.
References in periodicals archive ?
Laparoscopy was done on 28th day of life when a congested and necrotic cyst of 5 cm with torsion of the pedicle was found at a higher level than the normal ovarian fossa with the ovarian fossa being empty.