Syncytial knots as a reflection of placental maturity: Reference values for 20 to 40 weeks' gestational age

Pediatric and Developmental Pathology

Volumn 13, Issue 4, 2010, Pages 305-309

  Loukeris, Kristina ^a   Sela, Raanan ^a   Baergen, Rebecca N ^a  

^a WEILL CORNELL MEDICAL COLLEGE   (United States)

Author keywords

Malperfusion; Maturity; Placenta; Syncytial knots

Indexed keywords

ARTICLE; CHORION VILLUS; CONTROLLED STUDY; GESTATIONAL AGE; HISTOLOGY; HUMAN; HUMAN TISSUE; PLACENTA DEVELOPMENT; PLACENTA PERFUSION; PRIORITY JOURNAL; REFERENCE VALUE; SYNCYTIAL KNOT; SYNCYTIOTROPHOBLAST; TERM BIRTH; ADULT; CELL NUCLEUS; CYTOLOGY; FEMALE; PHYSIOLOGY; PREGNANCY; REPRODUCTION; TROPHOBLAST;

ADULT; CELL NUCLEUS; FEMALE; GESTATIONAL AGE; HUMANS; PLACENTATION; PREGNANCY; REFERENCE VALUES; TROPHOBLASTS;

EID: 79952048829     PISSN: 10935266     EISSN: 16155742     Source Type: Journal    
DOI: 10.2350/09-08-0692-OA.1     Document Type: Article

References (17)

1. Baergen RN. Manual of Benirschke and Kaufmann's Pathology of the Human Placenta. New York: Springer, 2005.
2. Benisrchke K, Kaufmann P, Baergen RN. Pathology of the Human Placenta, 5th ed. New York: Springer, 2006.
3. Getzowa S, Sadowsky A. On the structure of the human placenta with full-term and immature foetus, living or dead. J Obstet Gynaecol Br Emp 1950;57:388-396.
4. Jones CJ, Fox H. Syncytial knots and intervillous bridges in the human placenta: an ultrastructural study. J Anat 1977;124:275-286. (Pubitemid 8218046)
5. Benirschke K. Examination of the placenta. Obstet Gynecol 1961;18:309-333.
6. Burton GJ, Jones CJP. Syncytial knots, sprouts, apoptosis, and trophoblast deportation from the human placenta. Taiwan J Obstet Gynecol 2009;48:28-37.
7. Tenney B, Parker F. The placenta in toxemia of pregnancy. Am J Obstet Gynecol 1940;39:1000-1005.
8. Merrill JA. Common pathological changes of the placenta. Clin Obstet Gynecol 1963;6:96-109.
9. Mayhew TM. Barker BL. Villous trophoblast: morphometric perspectives on growth, differentiations, turnover and deposition of fibrin-type fibrinoid during gestation. Placenta 2001;22:628-638. (Pubitemid 32785538)
10. Mayhew TM. Villous trophoblast of human placenta: a coherent view of its turnover, repair and contributions to villous development and maturation. Histol Histopathol 2001;16:1213-1224. (Pubitemid 32994465)
11. Cantle SJ, Kaufmann P, Luckhardt M, Schweikhart G. Interpretation of syncytial sprouts and bridges in the human placenta. Placenta 1987;8:221-234. (Pubitemid 17103819)
12. Fox H. The significance of villous syncytial knots in the human placenta. J Obstet Gynaecol Br Commonw 1965;72:347-355.
13. Khalid MEM, Ali ME, Ali KZM. Full term birth weight and placental morphology at high and low altitude. Int J Gynecol Obstet 1997;57:259-265. (Pubitemid 27252562)
14. Heazell AEP, Moll SJ, Jones CJP, Baker PN, Crocker IP. Formation of syncytial knots is increased by hyperoxia, hypoxia and reactive oxygen species. Placenta 2007;21:S33-S40.
15. Fox H. Effect of hypoxia on trophoblast in organ culture. Am J Obstet Gynecol 1970;107:1058-1064.
16. Tominaga T, Page E. Accommodation of the human placenta to hypoxia. Am J Obstet Gynecol 1966;94;679-681.
17. Redline RW, Boyd T, Campbell V, et al. Maternal vascular underperfusion: nosology and reproducibility of placental reaction patterns. Society for Pediatric Pathology, Perinatal Section, Maternal Vascular Perfusion Nosology Committee. Pediatr Dev Pathol 2004;7:237-249. (Pubitemid 38859152)