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Placental polyp

MedGen UID:
102254
•Concept ID:
C0152437
•
Disease or Syndrome
Synonyms: Placenta Polyp; Placental Polyp; Polyp of Placenta; Polyp of the Placenta
SNOMED CT: Placental polyp (51195001)

Definition

A polyp in the uterine cavity that is formed by placenta remnants. [from NCI]

Professional guidelines

PubMed

Conservative management of retained trophoblastic tissue and placental polyp with diagnostic ambulatory hysteroscopy.
Jiménez JS, Gonzalez C, Alvarez C, Muñoz L, Pérez C, Muñoz JL
Eur J Obstet Gynecol Reprod Biol 2009 Jul;145(1):89-92. Epub 2009 May 5 doi: 10.1016/j.ejogrb.2009.04.001. PMID: 19409686
Differential diagnosis of abnormal uterine bleeding.
Brenner PF
Am J Obstet Gynecol 1996 Sep;175(3 Pt 2):766-9. doi: 10.1016/s0002-9378(96)80082-2. PMID: 8828559
Value of sonohysterography in the diagnosis and management of abnormal uterine bleeding.
Lev-Toaff AS, Toaff ME, Liu JB, Merton DA, Goldberg BB
Radiology 1996 Oct;201(1):179-84. doi: 10.1148/radiology.201.1.8816541. PMID: 8816541

Recent clinical studies

Etiology

Sonographic findings after induced medical abortion at 12-21 weeks of gestation: Retrospective cohort study.
Mimura K, Endo M, Kakigano A, Matsuzaki S, Kawanishi Y, Tomimatsu T, Kimura T
Contraception 2020 Aug;102(2):87-90. Epub 2020 Apr 28 doi: 10.1016/j.contraception.2020.04.014. PMID: 32360145
Differential diagnosis and management of placental polyp and uterine arteriovenous malformation: Case reports and review of the literature.
Ishihara T, Kanasaki H, Oride A, Hara T, Kyo S
Womens Health (Lond) 2016 Nov;12(6):538-543. Epub 2017 Feb 10 doi: 10.1177/1745505717692590. PMID: 29334028Free PMC Article
Uterine preservation surgery for placental polyp.
Hiraki K, Khan KN, Kitajima M, Fujishita A, Masuzaki H
J Obstet Gynaecol Res 2014 Jan;40(1):89-95. Epub 2013 Aug 12 doi: 10.1111/jog.12128. PMID: 23937267
Assisted reproductive technique increases the risk of placental polyp.
Baba T, Endo T, Ikeda K, Shimizu A, Morishita M, Kuno Y, Honnma H, Kiya T, Ishioka S, Saito T
Gynecol Endocrinol 2013 Jun;29(6):611-4. doi: 10.3109/09513590.2013.788636. PMID: 23656393
Conservative management of retained trophoblastic tissue and placental polyp with diagnostic ambulatory hysteroscopy.
Jiménez JS, Gonzalez C, Alvarez C, Muñoz L, Pérez C, Muñoz JL
Eur J Obstet Gynecol Reprod Biol 2009 Jul;145(1):89-92. Epub 2009 May 5 doi: 10.1016/j.ejogrb.2009.04.001. PMID: 19409686

Diagnosis

Differential diagnosis and management of placental polyp and uterine arteriovenous malformation: Case reports and review of the literature.
Ishihara T, Kanasaki H, Oride A, Hara T, Kyo S
Womens Health (Lond) 2016 Nov;12(6):538-543. Epub 2017 Feb 10 doi: 10.1177/1745505717692590. PMID: 29334028Free PMC Article
A placental polyp arising from an exaggerated placental site.
Harada N, Nobuhara I, Haruta N, Kajimoto M
J Obstet Gynaecol Res 2011 Aug;37(8):1154-7. Epub 2011 Apr 19 doi: 10.1111/j.1447-0756.2010.01491.x. PMID: 21501326
Computed tomographic angiography in diagnosis and management of placental polyp with neovascularization.
Takeda A, Koyama K, Imoto S, Mori M, Sakai K, Nakamura H
Arch Gynecol Obstet 2010 May;281(5):823-8. Epub 2009 Jun 24 doi: 10.1007/s00404-009-1161-6. PMID: 19554340
Fast MR imaging in obstetrics.
Nagayama M, Watanabe Y, Okumura A, Amoh Y, Nakashita S, Dodo Y
Radiographics 2002 May-Jun;22(3):563-80; discussion 580-2. doi: 10.1148/radiographics.22.3.g02ma03563. PMID: 12006687
MRI of placental polyps.
Kurachi H, Maeda T, Murakami T, Tsuda K, Sakata M, Nakamura H, Miyake A
J Comput Assist Tomogr 1995 May-Jun;19(3):444-8. doi: 10.1097/00004728-199505000-00019. PMID: 7790556

Therapy

A hypervascular placental polyp after complete abortion: a case report.
Spielvogel R
BMC Womens Health 2023 Oct 10;23(1):534. doi: 10.1186/s12905-023-02672-x. PMID: 37817177Free PMC Article
Placental polyp - a rare case report.
Shanthi V, Rao NM, Lava nya G, Krishna BA, Mohan KV
Turk Patoloji Derg 2015;31(1):77-9. doi: 10.5146/tjpath.2014.01226. PMID: 24585351
Uterine preservation surgery for placental polyp.
Hiraki K, Khan KN, Kitajima M, Fujishita A, Masuzaki H
J Obstet Gynaecol Res 2014 Jan;40(1):89-95. Epub 2013 Aug 12 doi: 10.1111/jog.12128. PMID: 23937267
Assisted reproductive technique increases the risk of placental polyp.
Baba T, Endo T, Ikeda K, Shimizu A, Morishita M, Kuno Y, Honnma H, Kiya T, Ishioka S, Saito T
Gynecol Endocrinol 2013 Jun;29(6):611-4. doi: 10.3109/09513590.2013.788636. PMID: 23656393
A placental polyp arising from an exaggerated placental site.
Harada N, Nobuhara I, Haruta N, Kajimoto M
J Obstet Gynaecol Res 2011 Aug;37(8):1154-7. Epub 2011 Apr 19 doi: 10.1111/j.1447-0756.2010.01491.x. PMID: 21501326

Prognosis

The RPOC long axis is a simple indicator for predicting the need of invasive strategies for secondary postpartum hemorrhage in either post-abortion or post-partum women: a retrospective case control study.
Kobayashi M, Nakagawa S, Kawanishi Y, Masuda T, Maenaka T, Toda A, Miyake T, Hiramatsu K, Miyoshi A, Mimura K, Kimura T, Endo M, Kimura T
BMC Pregnancy Childbirth 2021 Sep 24;21(1):653. doi: 10.1186/s12884-021-04083-y. PMID: 34560846Free PMC Article
Sonographic findings after induced medical abortion at 12-21 weeks of gestation: Retrospective cohort study.
Mimura K, Endo M, Kakigano A, Matsuzaki S, Kawanishi Y, Tomimatsu T, Kimura T
Contraception 2020 Aug;102(2):87-90. Epub 2020 Apr 28 doi: 10.1016/j.contraception.2020.04.014. PMID: 32360145
Hypervascular retained product of conception: Characteristic magnetic resonance imaging and possible relationship to placental polyp and pseudoaneurysm.
Shiina Y, Itagaki T, Ohtake H
J Obstet Gynaecol Res 2018 Jan;44(1):165-170. Epub 2017 Oct 13 doi: 10.1111/jog.13481. PMID: 29027718
A placental polyp arising from an exaggerated placental site.
Harada N, Nobuhara I, Haruta N, Kajimoto M
J Obstet Gynaecol Res 2011 Aug;37(8):1154-7. Epub 2011 Apr 19 doi: 10.1111/j.1447-0756.2010.01491.x. PMID: 21501326
Implanted placental tissue simulating uterine fibroids ("inverted placental polyp").
Waxman M, Pardanani R
Diagn Gynecol Obstet 1980 Winter;2(4):287-9. PMID: 7215113

Clinical prediction guides

The RPOC long axis is a simple indicator for predicting the need of invasive strategies for secondary postpartum hemorrhage in either post-abortion or post-partum women: a retrospective case control study.
Kobayashi M, Nakagawa S, Kawanishi Y, Masuda T, Maenaka T, Toda A, Miyake T, Hiramatsu K, Miyoshi A, Mimura K, Kimura T, Endo M, Kimura T
BMC Pregnancy Childbirth 2021 Sep 24;21(1):653. doi: 10.1186/s12884-021-04083-y. PMID: 34560846Free PMC Article
Assisted reproductive technique increases the risk of placental polyp.
Baba T, Endo T, Ikeda K, Shimizu A, Morishita M, Kuno Y, Honnma H, Kiya T, Ishioka S, Saito T
Gynecol Endocrinol 2013 Jun;29(6):611-4. doi: 10.3109/09513590.2013.788636. PMID: 23656393
A placental polyp arising from an exaggerated placental site.
Harada N, Nobuhara I, Haruta N, Kajimoto M
J Obstet Gynaecol Res 2011 Aug;37(8):1154-7. Epub 2011 Apr 19 doi: 10.1111/j.1447-0756.2010.01491.x. PMID: 21501326
MRI of placental polyps.
Kurachi H, Maeda T, Murakami T, Tsuda K, Sakata M, Nakamura H, Miyake A
J Comput Assist Tomogr 1995 May-Jun;19(3):444-8. doi: 10.1097/00004728-199505000-00019. PMID: 7790556
"Placental polyp": light microscopic and immunohistochemical observations.
Lawrence WD, Qureshi F, Bonakdar MI
Hum Pathol 1988 Dec;19(12):1467-70. doi: 10.1016/s0046-8177(88)80243-0. PMID: 3192209

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