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Gestational choriocarcinoma is a form of gestational trophoblastic neoplasia, which is a type of gestational trophoblastic disease (GTD), that can occur during pregnancy. It is a rare disease where the trophoblast , a layer of cells surrounding the blastocyst , undergoes abnormal developments, leading to trophoblastic tumors .
Women with a hydatidiform mole have an excellent prognosis. Women with a malignant form of GTD usually have a very good prognosis. [34] Choriocarcinoma, for example, is an uncommon, yet almost always curable cancer. Although choriocarcinoma is a highly malignant tumour and a life-threatening disease, it is very sensitive to chemotherapy.
Choriocarcinoma is a malignant, trophoblastic [1] cancer, usually of the placenta. It is characterized by early hematogenous spread to the lungs. It belongs to the malignant end of the spectrum in gestational trophoblastic disease (GTD). It is also classified as a germ cell tumor and may arise in the testis or ovary.
Immunohistochemistry often shows positive staining for hPL, [4] [5] keratin, [5] Mel-CAM, [5] and EGFR., [4] This immunohistochemical profile, particularly the strong positivity for hPL and Mel-CAM, along with the negative or focal staining for β-hCG and p63, helps distinguish PSTT from other types of gestational trophoblastic neoplasia such as choriocarcinoma and epithelioid trophoblastic ...
Human chorionic gonadotropin is a glycoprotein composed of 237 amino acids with a molecular mass of 36.7 kDa, approximately 14.5kDa αhCG and 22.2kDa βhCG. [4]It is heterodimeric, with an α (alpha) subunit identical to that of luteinizing hormone (LH), follicle-stimulating hormone (FSH), thyroid-stimulating hormone (TSH), and a β (beta) subunit that is unique to hCG.
OGCT is a rare tumour under the scope of ovarian cancer, accounting for less than 5% of all ovarian malignancies. It occurs mostly in 15-19-year-old women and shows 75% incidence rate for women aged <30 years. [25] In 2011, the number of new cases occurred worldwide is 5.3 per million. [26]
Fellow cancer researcher Emil Freireich described Li's insight, that cancer was likely to recur in patients if a chemical tumor marker was found, as an "extraordinarily important new principle in cancer treatment". [2] Before the work of Li and his colleagues, 90% of women who developed choriocarcinoma died within a year. [7]
Intrauterine growth restriction (IUGR), or fetal growth restriction, is the poor growth of a fetus while in the womb during pregnancy.IUGR is defined by clinical features of malnutrition and evidence of reduced growth regardless of an infant's birth weight percentile. [5]