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A patient in her 50s visited our hospital due to a sensation of a lower abdominal mass. A transvaginal ultrasound revealed a pelvic mass larger than 10 cm, suspected to be a teratoma. If it were a benign mature teratoma, the patient would undergo laparoscopic removal of the affected adnexa. However, if it turned out to be a mature teratoma with malignant transformation, a laparotomy would be performed to remove the uterus and bilateral adnexa. So, the question arises: how can we differentiate between these scenarios on imaging?

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Differential Diagnosis of Malignant Transformation of Mature Teratoma

  • 章节

  • 发表日期：

    2025年

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  • Ayumi Ohya,
  • Yasunari Fujinaga

摘要

A patient in her 50s visited our hospital due to a sensation of a lower abdominal mass. A transvaginal ultrasound revealed a pelvic mass larger than 10 cm, suspected to be a teratoma. If it were a benign mature teratoma, the patient would undergo laparoscopic removal of the affected adnexa. However, if it turned out to be a mature teratoma with malignant transformation, a laparotomy would be performed to remove the uterus and bilateral adnexa. So, the question arises: how can we differentiate between these scenarios on imaging?