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Fetus-in-fetu: MR Appearance and a Case Report

“胎中胎”之磁振造影影像:病例報告

摘要


“胎中胎”或稱“胎兒中胎兒”是一種少見的先天性異常,為一脊椎胎兒被另一正常發展的胎兒包裹於腹中。此腫塊內可能含有骨頭,軟骨,牙齒或中樞神經系統的組織成分。與畸胎瘤不同之處在於它有可辨識的軀幹或四肢。磁振造影因可呈現出在此病灶內不同的組織變化,所以為一理想的診斷工具。但是只有少數的文獻記載使用磁振造影來診斷此病灶。在此呈獻此少見疾病的磁振造影特徵。

關鍵字

胎中胎 磁振造影

並列摘要


Fetus-in-fetu is a rare congenital malformation in which a vertebra fetus is enclosed within the abdomen of a normally developing fetus. Magnetic resonance imaging (MRI) appears to be an ideal tool for demonstrating the wide range of tissue within such lesions, but there are only a few reports of the use of MRI in the identification of this anomaly. We present a case of fetus-in-fetu in which the MRI findings were diagnostic clues of this unusual entity.

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