Immature teratoma with a rare finding of choroid plexus

Mature cystic teratoma of the ovary is the most common ovarian tumour in young women. Immature teratoma is a very rare tumour, representing only 1% of all ovarian cancers. Paediatric ovarian tumours are rare, with a reported incidence rate of 2.2/100,000 in girls aged 0 to 15 years. In the case report presented here, was 12-year-old suspected to have serous cystadenoma of ovary based on CT scan, which was ultimately diagnosed with immature teratoma grade 3 after histopathological examination was done