Although rare, a number of tumours may be diagnosed antenatally. These fetal tumours are a diverse and a unique group of conditions, and include:
- neuroblastoma: most common tumour overall
- teratomas
- sacrococcygeal teratoma
- head and neck teratoma/epignathus
- mediastinal teratoma
- intrapericardial teratoma
- retroperitoneal teratoma: fetus in fetu
-
intracranial fetal tumours
- intracranial fetal teratoma: most common intracranial fetal tumour
- fetal astrocytoma(s)
- fetal choroid plexus papilloma 6-7
- fetal intracranial lipoma
-
fetal cardiac tumours
- cardiac rhabdomyoma: considered the commonest fetal cardiac tumour
- cardiac fibroma: considered second commonest fetal cardiac tumour
- cardiac teratoma: considered third commonest fetal cardiac tumour
-
fetal soft tissue tumours
- digital fibromatosis
- fibromatosis
- fibrous hamartoma
- infantile fibrosarcoma: the most common fetal soft tissue malignancy
- myofibromatosis-infantile myofibromatosis
- rhabdomyosarcoma
- PNET
- rhabdoid tumour
-
fetal hepatic tumours
- infantile haemangioendothelioma
- hepatic mesenchymal hamartoma
- hepatoblastoma
- metastases: fetal neuroblastoma and leukaemia
-
fetal renal tumours
- mesoblastic nephroma: most common fetal renal tumour
- Wilms tumour
- rhabdoid tumour
- other fetal intraabdominal tumours
- vascular lesions: although some of these are not really tumours, congenital malformations that may present as tumour like masses
- haemangioma
- lymphangioma
- arteriovenous malformations, e.g. vein of Galen malformation