placenta accreta spectrum (PAS) refers to the abnormal attachment or invasion of placental trophoblast cells into the myometrium due to the insufficient formation of the intermediate decidual layer. According to the depth of invasion, PAS is divided into adhesive, accreta and penetrating placenta accreta, the latter two are called invasive placenta accreta. In recent years, with the increase of ad
Conditions
Interventions
Non-placenta accreta group and placenta accreta group:None
Sponsors
Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. There were no contraindications to MRI examination in patients who could cooperate with placenta MRI examination; 2.complete prenatal MRI, surgical and/or pathological data were available.
Exclusion criteria
Exclusion criteria: 1. fetal malformation; 2. poor MRI image quality; 3. patients with incomplete clinical data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Placental Location;Disappearance of Hypointense Signal Line on T2WI;T2WI low-signal band within the placenta;Thinning of the uterine muscle layer;Interruption of the bladder wall;Localized exophytic mass;Placental bed abnormal blood vessels; | — |
Countries
China
Contacts
Public ContactJinlian Che
Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region
Outcome results
None listed