Retained placental tissue: role of MRI findings in diagnosis and clinical assessment.

• Material Type: 博士論文
• Title: Retained placental tissue: role of MRI findings in diagnosis and clinical assessment.
• Author/Editor: Takahama, Junko; Kitano, Satoru; Marugami, Nagaaki; Uehara, Tomoko; Takahashi, Aki; Takewa, Megumi; Itoh, Takahiro; Kichikawa, Kimihiko
• Author Heading: Takahama, Junko; Kitano, Satoru; Marugami, Nagaaki; Uehara, Tomoko; Takahashi, Aki; Takewa, Megumi; Itoh, Takahiro; Kichikawa, Kimihiko
• Publication, Distribution, etc.: Springer International
• Publication Date: 2011-02
• Publication Date (W3CDTF): 2011-02
• Alternative Title: 遺残胎盤組織：診断と臨床的取り扱いにおけるMRI所見の役割
• Periodical title: Abdominal imaging
• No. or year of volume/issue: 36 1
• Volume: 36
• Issue: 1
• Pages: 110-114
• ISSN (Periodical Title): ISSN : 0942-8925
• Degree grantor/type: 奈良県立医科大学
• Date Granted: 2014-12-03
• Dissertation Number: 乙第1351号
• Degree Type: 博士（医学）
• Text Language Code: eng
• Subject Heading: Retained placental tissue; MRI; Postpartum hemorrhage; Placental polyp; Uterine arterial embolization
• Target Audience: 一般
• Note (General): type:Thesis; OBJECTIVE:To assess the role of MRI in diagnosis and predicting clinical outcome in women with retained placental tissue. PATIENTS AND METHODS:Eleven patients with pathologically proven RPT were retrospectively studied. All underwent MRI. The following MRI parameters of RPT were studied: size, signal intensity on T1- and T2-weighted images, enhancement pattern on dynamic study, extent of attachment to the uterine myometrium, and myometrial thickness at the attachment site. Clinical reports were reviewed and MRI findings were compared with respect to outcome. RESULTS:RPT diameter varied from 30 to 102 mm. On T2-weighted images, 10 cases showed high intensity, while on T1-weighted images, seven cases showed high intensity. Nine cases were hypervascular. The myometrium was thinner at the attachment side than at the opposite side. All five cases in which RPT was delivered spontaneously showed an attachment area of less than a semicircle, hence broad attachment appears to impede detachment and necessitate additional therapy. After uterine arterial embolization, two patients showed complete infarction of RPT on enhanced MRI. CONCLUSION:MRI is useful for diagnosis and follow-up of RPT. The evaluation of extent of RPT attachment to the myometrium and vascularity on MRI can help the clinical assessment.; 博士（医学）・乙第1351号・平成26年12月3日; © Springer Verlag. The definitive version is available at " http://dx.doi.org/10.1007/s00261-010-9604-x "; identifier:Abdominal imaging Vol.36 No.1 p.110-114; identifier:09428925; identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/2755; identifier:Abdominal imaging, 36(1): 110-114
• Access Restrictions: インターネット公開
• Related Material (DOI): 10.1007/s00261-010-9604-x
• Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）; https://irdb.nii.ac.jp
• Original Data Provider (Database): 奈良県立医科大学 : 奈良県立医科大学機関リポジトリ GINMU

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