PPT-Trophoblastic

Cleavage Cleavage Fertilization takes place in the ampulla of the oviduct Cleavage takes place as the zygote moves down the oviduct towards the uterus The morula enteres the uterus 3 days. of GTN and . Matrix . metalloproteinases. (. MMPs). Dr.Tufan. ÖGE. Eskisehir . Osmangazi. University . Department of Obstetrics and Gynecology. Human . Trophoblast. Invasion. Development of the human placenta is critical for embryonic development and successful pregnancy outcome. . Ectopic Pregnancy. - . Means implantation of the fetus in any site other than a normal intrauterine location. . - The most common site is within the fallopian tubes . (90. %).. Other sites include:. Raghad . farajat.  . Introduction . Gestational trophoblastic diseases (GTD) include :. 1.. hydatidiform moles.  (both complete and partial). 2. invasive moles. 3.. choriocarcinoma. .. They typically arise from the abnormal . . Assistant Prof. . Fadia. Al-. izzi. Definition:. Abnormal proliferation of gestational trophoblastic tissue.. It forms a spectrum of inter-related diseases originating from the placental . trophoblast. D. isease. (. GTD) . Molar . Pregnancy. by: . Dr.Maryam. . Aghdaki. . GYN Oncology Fellowship. INTRODUCTION. Molar pregnancy is part of a group of diseases classified as gestational trophoblastic disease (GTD), which originate in the placenta and have the potential to locally invade the uterus and metastasize. The pathogenesis of GTD is unique because the maternal tumor arises from gestational rather than maternal tissue . 366 Placental site nodule (PSN) is a non-neoplastic infrequent lesion originating from the intermediate trophoblast, which theoretically represents a non-in-voluted portion of placental tissue. This l Page 1 of 4 h CG) INTRODUCTION Human chorionic gonadotropin (HCG) is a glycoprotein that consists of 2 subunits (alpha and beta) which are associated to comprise the intact hormone. U nique bioche Dr. Maria A. Arafah. Assistant Professor . –. Department of Pathology. http://. fac.ksu.edu.sa. /. mariaarafah. /courses. Objectives . At the end of this lecture, the student should be able to:. Understand the pathology and predisposing factors of ectopic pregnancy and spontaneous abortion..