
Pathology Outlines - Anatomy & histology-placenta & umbilical …
Sep 5, 2023 · Placenta: fetomaternal organ (derived from the Greek word plakoús, which translates as flat cake) that provides gas exchange, nourishment and protection to the fetus …
Pathology Outlines - Placental development & hormones
Sep 1, 2011 · Human chorionic thyrotropin (hCT): Small amounts produced, probably by the syncytiotrophoblast Believed to function similar to TSH Human placental growth hormone: …
Pathology Outlines - Acute villitis and intervillositis
May 28, 2021 · Placenta - Acute villitis - acute inflammation, maternal or fetal, in the chorionic villi or intervillous space
Pathology Outlines - Chorangiosis
Sep 2, 2021 · Chorangiosis is capillary hyperplasia in terminal villi due to chronic placental hypoperfusion or low grade tissue hypoxia
Pathology Outlines - Fetal / neonatal alloimmune thrombocytopenia
May 18, 2021 · Less often, corresponding antigen detected by HPA genotyping of fetus Via chorionic villus sampling after 11 weeks gestational age Via amniocentesis after 16 weeks …
Pathology Outlines - Grossing-products of conception
May 31, 2022 · Products of conception without chorionic villi: Received (fresh, in formalin), labeled with the patient's name and hospital number and " [ ]", are multiple fragments of (pale red soft …
Distal villous hyperplasia (villous dysmaturity / delayed villous ...
Jul 1, 2024 · Delayed villous maturation is defined as the increased presence of immature villi for gestational age (at least 10 villi), comprising at least 30% of 1 full thickness parenchymal section
Pathology Outlines - Infarct
Mar 7, 2022 · Placenta infarct is a placental parenchymal lesion comprised of villi which have undergone ischemic necrosis due to focally reduced placental (maternal) blood flow
Pathology Outlines - Partial hydatidiform mole
Aug 30, 2021 · Gestational trophoblastic disease with abnormal chorionic villi (hydatidiform mole) characterized by a spectrum of villous populations ranging from normal size to substantial …
Massive perivillous fibrin deposition / maternal floor infarction
Jun 19, 2024 · Massive perivillous fibrin deposition (MPFD) involves extensive and smothering deposition of fibrin / fibrinoid material around chorionic villi within the placental parenchyma …