HtrA1 is a secreted protein which behaves as a molecular chaperone at low temperatures and as a serine protease at high temperatures. When the placenta escapes the normal growth control mechanisms, which are present during normal pregnancy, it may develop trophoblastic diseases, such as hydatidiform mole and choriocarcinoma. The aim of the study is to investigate the expression of HtrA1 in thes...

Invasive mole belongs to gestational trophoblastic neoplasm, which is a highly curable group of pregnancy-related tumors. However, approximately 20% of gestational trophoblastic tumors will be resistant to or relapsed after initial chemotherapy. These resistant and relapsed lesions will require salvage chemotherapy with or without surgery. It is still unclear which regimens are the most effecti...

Choriocarcinoma is a highly malignant tumor that can arise from trophoblasts of any type of gestational event but most often from complete hydatidiform mole. IGF-II plays a fundamental role in placental development and may play a role in gestational trophoblastic diseases. Several studies have shown that IGF-II is expressed at high levels in hydatidiform moles and choriocarcinoma tissues; howev...

BACKGROUND Considering the limitations of current pathologic methods in distinguishing two subtypes of hydatidiform mole and non-molar pregnancy, the utility of immunohistochemical markers in this regards and the importance of differentiating of mentioned pathologic patterns, in this study the expression of P63 in patients with complete hydatidiform mole (CHM), partial hydatidiform mole (PHM) a...

Placental mesenchymal dysplasia (PMD) is a rare placental disorder characterized by placental enlargement and areas of abnormal, enlarged, grape-like villi. This condition may resemble a partial hydatidiform mole and may occur associated with Beckwith-Wiedemann syndrome (BWS) or in phenotypically normal fetuses. There were 110 cases reported so far. We describe one case with typical gross and m...

AIMS To assess the degree of difficulty in diagnosing partial mole by analysing intraobserver and interobserver agreement among a group of pathologists for these diagnoses. METHODS Fifty mixed cases of partial mole, complete mole, and non-molar pregnancy were submitted to seven histopathologists, two of whom are expert gynaecological pathologists; the other five were district general hospital...

The ultrastructure of the human decidua in all three trimesters of normal pregnancy, in the tube in a case of ectopic pregnancy, and in hydatidiform mole is described. By Day 25 of the menstrual cycle, most of the ultrastructural characteristics associated with pregnancy have begun to appear: The morphologic manifestations of cellular activity in the true decidua are maximal by Day 70 of pregna...

BACKGROUND Molar pregnancy represents a significant burden of disease on the spectrum of Gestational Trophoblastic Disease (GTD). The incidence appears to be quite high in South Asia. The objective of this study was to determine the frequency of GTD, and clinical presentation, management and outcome of patients with molar pregnancy. METHODS This retrospective, descriptive study was conducted ...

Genomic imprinting, the differential expression of paternal and maternal alleles, is involved in the regulation of embryonic and fetal growth and development. In this review, we focus on the genetics of a disorder caused by a global defect in genomic imprinting, the hydatidiform mole. The ratio between the maternal and paternal genomes is critical in determining the development of both the embr...