K.1.1 Teratoma of the ovary
- Uterus, fallopian tube and ovary are shown.
- There is a cyst in the right ovary.
- The cut open cyst has two solid masses - one inside the cyst and the other hanging down (taken from within the cyst to show the cystic nature of the tumour).
- The masses have hair growing out of them.
Diagnosis - Mature cystic teratoma.
Questions
1. Discuss the cell of origin of this lesion and its correlation with the histology.
2. What are the possible sites of teratomas
Answers
1. Discuss the cell of origin of this lesion and its correlation with the histology.
Teratomas arise form totipotent stem cells.
We see tissue form all 3 embryonal cell layers - ectoderm, endoderm and mesoderm in this tumour.
2. What are the possible sites of teratomas?
Male and female gonads and midline structures