Placenta increta
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Alhusseiny K, Jones J, et al. Placenta increta. Reference article, Radiopaedia.org (Accessed on 16 Jan 2025) https://doi.org/10.53347/rID-13497
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rID:
13497
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Disclosures:
At the time the article was created Yuranga Weerakkody had no recorded disclosures.
View Yuranga Weerakkody's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Frank Gaillard had the following disclosures:
- Biogen Australia Pty Ltd, Investigator-Initiated Research Grant for CAD software in multiple sclerosis: finished Oct 2021 (past)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Frank Gaillard's current disclosures
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11 contributors -
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Placenta increta is an intermediate level in the placenta accreta spectrum disorders and accounts for ~20% of such cases. The placental villi extend beyond the confines of the endometrium and invade the myometrium but do not reach the uterine serosa.
The ends of the spectrum of abnormal placental villi adherence are:
On this page:
Epidemiology
The estimated incidence is increasing (likely related to the increased practice of cesarean sections), probably ~1 in 50,000 pregnancies.
Risk factors
prior cesarean section
advanced maternal age
previous surgery
Pathology
In placenta increta, chorionic villi invade well into the myometrium but not through the entire wall.
Radiographic features
Ultrasound
As with the less severe placenta accreta, there can be focal obliteration of the retroplacental hypoechoic zone 4.
Quiz questions
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References
- 1. Avva R, Shah HR, Angtuaco TL. US case of the day. Placenta increta. Radiographics. 19 (4): 1089-92. Radiographics (full text) - Pubmed citation
- 2. Panoskaltsis TA, Ascarelli A, De souza N et-al. Placenta increta: evaluation of radiological investigations and therapeutic options of conservative management. BJOG. 2000;107 (6): 802-6. BJOG (link) - Pubmed citation
- 3. Tabsh KM, Brinkman CR, King W. Ultrasound diagnosis of placenta increta. J Clin Ultrasound. 10 (6): 288-90. - Pubmed citation
- 4. Pasto ME, Kurtz AB, Rifkin MD et-al. Ultrasonographic findings in placenta increta. J Ultrasound Med. 1983;2 (4): 155-9. J Ultrasound Med (abstract) - Pubmed citation
- 5. Semelka RC. Abdominal-Pelvic MRI. Wiley-Blackwell. (2010) ISBN:0470487755. Read it at Google Books - Find it at Amazon
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Related articles: Pathology: Genitourinary
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first trimester
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