Some of the most common types of teratoma

 There are many different types of teratoma of which some are outlined below;

       Sacrococcygeal teratoma

Ø  Located at the base of the coccyx.

Ø  Usually benign when diagnosed prenatally.

Ø  If foetus has to pump a significant amount of blood for the tumour itself it could result in congestive heart failure.

Ø  Onset can occur from prenatal to 4 years of age where a presacral tumour extends into the pelvis.
  

Ovarian teratoma

Ø  Located within ovaries. There are 3 subtypes of this form of tumour; mature cystic teratoma, monodermal teratoma and immature teratoma.

Ø  Mature cystic teratoma
   

Ø  Most common of ovarian germ cell tumours.

Ø  Develop during the child bearing years.

Ø  Tumour has thicker exterior which can be composed of one or combination of tissues such as hair, bones and skin.

Ø  Benign

Ø  It can be in the form of a solid tumour, cystic and possibly a combination of both.

Ø  Monodermal cystic teratoma

Ø  Tumour is mainly composed of one type of tissue.

Ø  Malignant or benign.

Ø  Can occur in girls and women.

Ø  Immature cystic teratoma

Ø  Similar traits to mature cystic teratoma eg. size and composition of tumour.

Ø  Frequently seen in girls and young women.

Ø  Solid tumour.

Ø  Malignant or benign.

Testicular teratoma

Ø  Firm or hard mass in testicle