Gestational trophoblastic disease.

Gestational trophoblastic disease is a spectrum of pregnancy disorder arising from the placental trophoblastic tissues. It characterised by the secretion of a distinct tumour marker, the beta-HCG. This condition is highly curable even in the presence of metastasis. The incidence of this disease is higher in the Asian population. The major well-established risk factors for gestational trophoblastic disease are advanced maternal age and a past history of gestational trophoblastic disease. Common clinical presentations include vaginal bleeding in early trimester, uterus larger than gestational age, absence of fetal parts after 20 weeks of gestation. Ultrasonography is a reliable non-invasive tool for diagnosis of gestational trophoblastic disease in the clinical setting. All placental tissue following miscarriage or curettage should have histopathological evaluation to exclude gestational trophoblastic disease. Since this group of disorders is one of the highly curable neoplasms, early diagnosis and prompt treatment is necessary.