产前MRI诊断痰磨盘植入.pdf

201127 8 Chin J M ed I aging T echnol, 2011, Vol 27, No 8 1655 Prenatal MRI diagnosis of placental invasion CH EN Chun-mei, ZH A N G J un * (D ep ar tment of Radiology , S hengj ing H o p ital of China M edical Univ er ity , S heny ang 110001, China) [Abstract] Objective To investigate the characteristics and diagnostic value of MRI for placental invasion Methods Fourteen consecutive patients with placental invasion were analyzed retrospectively M RI characteristics were reviewed and the diagnosticvaluewas observed Results All of 14 patients were confir ed with placental invasion at delivery Thepres- ence of placental invasion was identified 11 patients ( 11/ 14, 7857%) with MRI, but issed in 3 patients ( 3/ 14, 2143%) MRI showed irregular and heterogeneous placenta, thinner and discontinuous of uterine walls, and if bladder was involved, irregular appearance of the bladder wall T he uterine cervical orifices were co pletely or partly covered by placenta, so eti es there werebleeding or he ato a signs with hyperintensity on T1WI and hypointensity on T 2WI Con- clusion M RI is valuable for prenatal diagnosis of placental invasion [Key ords] Pregnancy; Placenta increta; M agnetic resonance i aging MRI 陈春梅, 张 军* ( , 110001) [ ] MRI 14 ,MRI 14 , MRI 11( 11/ 14,7857%), ,; , ,, () ;T1WI T2WI ;3 (3/ 14, 2143%) MRI MRI [] ;; [] R714462; R4452 [ ] A [ ] 1003-3289(2011) 08-1655-04 14 , 7%MRI , 26~ 38 , ( 331 36) ; + 1 + 6 , 32 ~ 38 ;0~ 1,05 7 14 MRI , MRI