11. It can be months or years before a dermoid cyst is noticed on a child because the cysts grow slowly. 12. Anti-NMDAR encephalitis is strongly associated with benign tumours of the ovary ( usually teratomas or dermoid cysts ). 13. Dermoid ovarian cysts which are larger or present complications might require removal by either laparoscopy or laparotomy ( traditional surgery ).14. Fetus in fetu may be a very highly differentiated form of dermoid cyst, itself a highly differentiated form of mature teratoma. 15. By the time the two-part episode ends, doctors will have discovered additional growths _ dermoid cysts _ on her ovaries. 16. While all ovarian cysts can range in size from very small to quite large, dermoid cysts are not classified as functional cysts. 17. An inflammatory reaction can occur if a dermoid cyst is disrupted, and the cyst can recur if it is not completely excised. 18. Some congenital swellings may not be discovered until later in life, such as a branchial cyst, dermoid cyst or thyroglossal cyst. 19. The usual location is usually lateral to the midline, which may be used to help distinguish it from a midline dermoid cyst. 20. He performed the first successful oophorectomy in May 1869 when he successfully removed a large dermoid cyst from a physician's wife.