Uterine choriocarcinoma

Radswiki et al.

Uterine choriocarcinomas are one of the commonest choriocarcinomas and is often associated with gestational trophoblastic disease (GTD)

The tumour typically occurs in women of childbearing age as a gestational choriocarcinoma. Most such cases present within one year of an antecedent pregnancy 2. Presentation beyond reproductive age as a non-gestational choriocarcinoma is a rare occurrence 2-3.

As with choriocarcinomas in general, it is a highly vascular neoplasm. The tumour comprises of trophoblastic cells. On histology, there is an absence of chorionic villi (c.f. other forms of GTD).

Aetiology

In the case of gestational choriocarcinoma, approximately 5% of cases of complete hydatidiform mole are followed by choriocarcinoma. 

Only about half the cases of choriocarcinoma arise from complete hydatidiform mole. An additional 25% of cases arise after normal pregnancies, and 25% follow spontaneous abortion or ectopic pregnancy.

Staging 

See choriocarcinoma staging.

General

Regardless of the imaging modality used, choriocarcinoma often appears as a mass enlarging the uterus. Sometimes it manifests as a discrete, central, infiltrative mass. Its heterogeneous appearance correlates with necrosis and haemorrhage that characterise these lesions. 

Ultrasound

They can have a variable sonographic appearance. 

Those cases that arise after complete hydatidiform mole are nearly all cured by chemotherapy (in contrast to the others, which have a less favourable prognosis).

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Article Information

rID: 13102
System: Gynaecology
Tag: cases
Synonyms or Alternate Spellings:
  • Choriocarcinoma of uterus
  • Choriocarcinoma of the uterus

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