Pathology Outlines - Early first trimester pregnancy loss
网页2022年1月27日 · Spectrum of villous changes in immature chorionic villi following embryonic death (Placenta 2005;26:114): Cellular debris within villous vessels - earliest change Villous edema with myxoid stromal degeneration - may be confused with molar gestation Collagenized avascular villi (villous sclerosis / fibrosis)
You are being redirected... - PathologyOutlines.com
网页2021年8月30日 · Essential features. Hydatidiform mole resulting from fertilization of a normal egg by 2 spermatozoa or by 1 spermatozoa followed by duplication of the paternal chromosomal content. 2 discrete populations of villi (enlarged, hydropic villi and small, fibrotic villi), with the larger villi showing irregular scalloped borders and cistern formation.
Pathology Outlines - Acute villitis and intervillositis
网页2021年5月28日 · Essential features. Infectious process characterized by a predominantly leukocytic villous infiltrate, which can be either maternal (usually) or fetal (rarely) in origin. Can be macroscopically identified when abscesses are present but is usually a microscopic finding. Abscesses and acute villitis are critical values and should be called into ...
Pathology Outlines - p57 kip2
网页2021年11月2日 · Comment: The chorionic villi are markedly enlarged and hydropic with cistern formation. Circumferential trophoblast hyperplasia and intermediate trophoblast atypia are also identified. p57 immunostain is negative in villous cytotrophoblasts and villous stromal cells, supporting the diagnosis. Uterine contents:
Pathology Outlines - Complete hydatidiform mole
网页2021年2月22日 · Chorionic villi with focal edema, scalloping and prominent stromal trophoblastic inclusions Functioning villous circulation Focal trophoblastic hyperplasia and minimal atypia p57 is positive in villous stromal and cytotrophoblast cells Cytogenetic studies show diandric triploidy (69XXX, 69XXY) Hydropic abortus:
Pathology Outlines - Ectopic / tubal pregnancy
网页2021年10月28日 · Pelvic inflammatory disease. Disruption of tubal anatomy caused by infection is the most likely cause; inflammation of the tube is present in up to 90% of tubal pregnancies, which is 6x more common than in normal tubes. Cigarette smoking. Prior fallopian tube pathology. Infertility.
Pathology Outlines - Placental site trophoblastic tumor
网页2021年10月18日 · Usually admixed with decidua and chorionic villi and contains large numbers of multinucleated trophoblastic cells Epithelioid trophoblastic tumor (ETT): Grows in expansile nodular fashion, with presence of fibrillary hyaline material, extensive geographic necrosis, calcification and absence of vascular invasion Positive for p63, PLAP and inhibin
You are being redirected... - PathologyOutlines.com
网页2021年5月14日 · CD71 is a robust immunohistochemical marker for the detection of nucleated red blood cells and chorionic villi, especially in presence of necrosis (Appl Immunohistochem Mol Morphol 2016;24:215) Demonstration of nucleated red blood cells can be important in molar pathology, helping to exclude a complete mole ( Appl …
When and where do chorionic villi appear in humans? State their
网页Chronic villi are finger like projections that appear on the trophoblast after implantation. It is surrounded by the uterine tissue and maternal blood. Function: The structural and functional unit formed between the developing embryo and maternal body when chorionic villi and the uterine tissue becomes interdigitated with each other is called ...
Pathology Outlines - Exaggerated placental site
网页2021年12月20日 · Essential features. Exaggeration of normal physiologic process, with infiltration of the endometrium and superficial third of myometrium by implantation site intermediate trophoblast. Can be associated with normal pregnancy or abortions, molar pregnancy and sometimes presents as postpartum bleeding. Ki67 labeling index is near 0%.